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Group Members: Bono
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Through a combination of zealous righteousness and post-punk experimentalism, U2 became one of the most popular rock & roll bands of the '80s. They were rock & roll crusaders during an era of synthesized pop and heavy metal, equally known for their sweeping sound as for their grandiose statements about politics and religion. The Edge provided the group with a signature sound by creating sweeping sonic landscapes with his heavily processed, echoed guitars. Though the Edge's style wasn't conventional, the rhythm section of Larry Mullen, Jr. and Adam Clayton played the songs as driving hard rock, giving the band a forceful, powerful edge that was designed for arenas. And their lead singer, Bono, was a frontman with a knack of grand gestures that played better in stadiums than small clubs. It's no accident that footage of Bono parading with a white flag with "Sunday Bloody Sunday" blaring in the background became the defining moment of U2's early career -- there rarely was a band that believed so deeply in rock's potential for revolution as U2, and there rarely was a band whose members didn't care if they appeared foolish in the process.
During the course of the early '80s, the group quickly built up a dedicated following through constant touring and a string of acclaimed records. By 1987, U2's following had grown large enough to propel them to the level of international superstardom with the release of The Joshua Tree. Unlike many of their contemporaries, they were able to sustain such popularity in the '90s by reinventing themselves as a postmodern, self-consciously ironic, dance-inflected pop/rock act, owing equally to the experimentalism of late-'70s Bowie and '90s electronic dance and techno. By performing such a successful reinvention, the band confirmed its status as one of the most popular bands in rock history, in addition to earning additional critical respect.
With its textured guitars, the band's sound was undeniably indebted to post-punk, so it's slightly ironic that U2 formed in 1976, before punk had even reached their hometown of Dublin, Ireland. Larry Mullen Jr. (born October 31, 1961; drums), posted a notice on a high-school bulletin board asking for fellow musicians to form a band. Bono (born Paul Hewson, May 10, 1960; vocals), the Edge (born David Evans, August 8, 1961; guitar, keyboards, vocals), Adam Clayton (born March 13, 1960; bass), and Dick Evans responded to the ad, and the teenagers banded together as a Beatles and Stones cover band called the Feedback. They then changed their name to the Hype in 1977. Shortly afterward, Dick Evans left the band to form the Virgin Prunes, and the group changed names once again, this time adopting the moniker of U2.
U2's first big break arrived in 1978, during the members' final year of high school, when they won a talent contest sponsored by Guinness. By the end of the year, the Stranglers' manager, Paul McGuinness, had seen U2 play and offered to manage them. Even with a powerful manager in their corner, the band had trouble making much headway, and failed an audition with CBS Records at the end of the year. In the fall of 1979, U2 released their debut EP, U2 Three. The EP was available only in Ireland, where it topped the national charts. Shortly afterward, they began to play in England, but they failed to gain much attention away from home.
U2 scored one more chart-topping single, "Another Day," in early 1980 before Island Records offered the group a contract. Later that year, the band's full-length debut, Boy, was released. Produced by Steve Lillywhite, the album's sweeping, atmospheric but edgy sound was unlike most recordings by U2's post-punk contemporaries, and the band earned further attention for its public embrace of Christianity; only Clayton was not a practicing Christian. Through constant touring, including opening gigs for Talking Heads, U2 were able to take Boy into the American Top 70 in early 1981. October, also produced by Lillywhite, followed in the fall, and it became their British breakthrough, reaching number 11 on the charts. By early 1983, Boy's "I Will Follow" and October's "Gloria" had become staples on MTV, which, along with their touring, gave U2 a formidable cult following in the U.S.
Released in the spring of 1983, the Lillywhite-produced War became U2's breakthrough release, entering the U.K. charts at number one and elevating them into arenas in the United States, where the album peaked at number 12. War had a stronger political message than its predecessors, as evidenced by the international hits "Sunday Bloody Sunday" and "New Year's Day." During the supporting tour, the band filmed its concert at Colorado's Red Rocks Amphitheater, releasing the show as an EP and video titled Under a Blood Red Sky. The EP entered in the U.K. charts at number two, becoming the most successful live recording in British history. U2 had become one of the most popular bands in the world, and their righteous political stance soon became replicated by many other bands, providing the impetus for the Band Aid and Live Aid projects in 1984 and 1985, respectively.
For the follow-up to War, U2 entered the studios with co-producers Brian Eno and Daniel Lanois, who helped give the resulting album an experimental, atmospheric tone. Released in the fall of 1984, The Unforgettable Fire replicated the chart status of War, entering the U.K. charts at number one and reaching number 12 in the U.S. The album also generated the group's first Top 40 hit in America with "(Pride) In the Name of Love," a tribute to Martin Luther King Jr. U2 supported the album with a successful international tour, highlighted by a show-stealing performance at Live Aid. Following the tour, the band released the live EP Wide Awake in America in 1985.
While U2 had become one of the most successful rock bands of the '80s, they didn't truly become superstars until the spring 1987 release of The Joshua Tree. Greeted with enthusiastic reviews, many of which proclaimed the album a masterpiece, The Joshua Tree became U2's first American number one hit and their third straight album to enter the U.K. charts at number one; in England, it set a record by going platinum within 28 hours. Generating the U.S. number one hits "With or Without You" and "I Still Haven't Found What I'm Looking For," The Joshua Tree and the group's supporting tour became the biggest success story of 1987, earning U2 the cover of respected publications like Time magazine. U2 decided to film a documentary about their American tour, recording new material along the way. The project became Rattle & Hum, a film that was supported by a double-album soundtrack that was divided between live tracks and new material. While the album Rattle & Hum was a hit, the record and film received the weakest reviews of U2's career, with many critics taking issue with the group's fascination with American roots music like blues, soul, country, and folk. Following the release of Rattle & Hum, the band took an extended hiatus.
U2 reconvened in Berlin in 1990 to record a new album with Eno and Lanois. While the sessions for the album were difficult, the resulting record, Achtung Baby, represented a successful reinvention of the band's trademark sound. Where they had been inspired by post-punk in the early career and American music during their mid-career, U2 delved into electronic and dance music with Achtung Baby. Inspired equally by late-'70s Bowie and the Madchester scene in the U.K., Achtung Baby was sonically more eclectic and adventurous than U2's earlier work, and it didn't alienate their core audience. The album debuted at number one throughout the world and spawned Top Ten hits with "Mysterious Ways" and "One."
Early in 1992, the group launched an elaborate tour to support Achtung Baby. Dubbed Zoo TV, the tour was an innovative blend of multimedia electronics, featuring a stage filled with televisions, suspended cars, and cellular phones. Bono devised an alter ego called the Fly, which was a knowing send-up of rock stardom. Even under the ironic guise of the Fly and Zoo TV, it was evident that U2 were looser and more fun than ever before, even though they had not abandoned their trademark righteous political anger. Following the completion of the American Zoo TV tour in late 1992 and preceding the launch of the tour's European leg, U2 entered the studio to complete an EP of new material that soon became the full-length Zooropa. Released in the summer of 1993 to coincide with the tour of the same name, Zooropa demonstrated a heavier techno and dance influence than Achtung Baby and received strong reviews. Nevertheless, the album stalled at sales of two million and failed to generate a big hit single. During the subsequent Zooropa tour, the Fly metamorphosed into the demonic MacPhisto, which dominated the remainder of the tour. Upon the completion of the Zooropa tour in late 1993, the band took another extended break.
During 1995, U2 re-emerged with "Hold Me, Thrill Me, Kiss Me, Kill Me," a glam rock theme to Batman Forever that was produced by Nellee Hooper (Björk, Soul II Soul). Later that year, they recorded the collaborative album Original Soundtracks, Vol. 1 with Brian Eno, releasing the record under the name the Passengers late in 1995. It was greeted with a muted reception, both critically and commercially. Many hardcore U2 fans (including drummer Larry Mullen Jr.) were unhappy with the Passengers project, and U2 promised their next album, to be released in the fall of 1996, would be a rock & roll record.
The album took longer to complete than usual, ultimately being pushed back to the spring of 1997. During its delay, a few tracks, including the forthcoming first single "Discotheque," were leaked, and it became clear that the new album was going to be heavily influenced by techno, dance, and electronic music. When it was finally released, Pop did indeed bear a heavier dance influence, but it was greeted with strong initial sales and a few positive reviews. Demand for the album lessened in the following months, however, and Pop ultimately became the band's least popular album in over a decade. In late 1998, the group returned with Best of 1980-1990, the first in a series of hits collections issued in conjunction with a reported 50 million dollar agreement with Polygram. Included in the comprehensive track list was a remixed version of "Sweetest Thing," originally released as B-side in 1987, which charted well in multiple countries.
Three years after the mediocre response to Pop, U2 teamed up with Eno and Lanois once again to release All That You Can't Leave Behind in fall 2000. The album was heralded as a return to form, melding the band's classic sound with contemporary trends. It topped charts around the world, reached number three in America, earned Grammy Awards for the singles "Beautiful Day" and "Walk On," and became the band's biggest-selling record in years. (The Elevation tour that followed also brought U2 a hefty paycheck.) Steve Lillywhite, producer of the early-'80s landmarks Boy, October, and War, returned to the helm for U2's next record, How to Dismantle an Atomic Bomb. Released in November 2004, it hit the top of the Billboard charts and quickly gained platinum status. The album also garnered eight Grammy Awards, including Album of the Year, Rock Album of the Year, and Song of the Year (for "Sometimes You Can't Make It on Your Own," which Bono had written for his father). U2 were inducted into the Rock & Roll Hall of Fame in early 2005 and launched an international tour soon after, selling out arena venues in the U.S. and outdoor stadium shows abroad. The Vertigo Tour became the highest-grossing tour of 2005; by the time the entire tour concluded in late 2006, its gross of $389 million had made it the second most successful tour ever.
U2 returned to the drawing board in 2006 by partnering with veteran rock producer Rick Rubin. Two songs from those sessions appeared on the compilation U218 Singles, but the remaining material was ultimately scrapped. The band then turned to longtime friends Brian Eno, Daniel Lanois, and Steve Lillywhite, all of whom helped shape the sound of U2's 12th studio effort. Entitled No Line on the Horizon, the album was originally slated to appear in October 2008, although the release date was ultimately pushed back to March 2009. No Line on the Horizon was met with enthusiastic reviews but failed to yield a big radio single; even so, the band embarked on another lucrative tour that summer. A second leg, originally planned for 2010, was postponed when Bono suffered a slipped disc and underwent emergency back surgery. Touring resumed the following year, and the so-called 360 Tour was ultimately named the highest-grossing concert tour in history. Meanwhile, Bono and the Edge also worked on music for the Broadway musical Spider-Man: Turn Off the Dark, which opened in June 2011.
U2 are an Irish rock band from Dublin. Formed in 1976, the group consists of Bono (vocals and guitar), The Edge (guitar, keyboards, and vocals), Adam Clayton (bass guitar), and Larry Mullen, Jr. (drums and percussion). U2's early sound was rooted in post-punk but eventually grew to incorporate influences from many genres of popular music. Throughout the group's musical pursuits, they have maintained a sound built on melodic instrumentals, highlighted by The Edge's timbrally varied guitar sounds and Bono's expressive vocals. Their lyrics, often embellished with spiritual imagery, focus on personal themes and sociopolitical concerns.
U2 formed at Mount Temple Comprehensive School in 1976 when the members were teenagers with limited musical proficiency. Within four years, they signed with Island Records and released their debut album Boy. By the mid-1980s, they became a top international act. They were more successful as a touring act than they were at selling records, until their breakthrough 1987 album The Joshua Tree, which, according to Rolling Stone, elevated the band's stature "from heroes to superstars". Reacting to musical stagnation and late-1980s criticism of their earnest image and musical direction, the group reinvented themselves with their 1991 hit album Achtung Baby and the accompanying Zoo TV Tour. U2 integrated dance, industrial, and alternative rock influences into their sound and performances, and embraced a more ironic and self-deprecating image. Similar experimentation continued for the remainder of the 1990s with mixed levels of success. U2 regained critical and commercial favour in the 2000s with the records All That You Can't Leave Behind (2000) and How to Dismantle an Atomic Bomb (2004), which established a more conventional, mainstream sound for the group. Their U2 360° Tour from 2009–2011 was the highest-attended and highest-grossing concert tour in history.
U2 have released 12 studio albums and are among the all-time best-selling music artists, having sold more than 150 million records worldwide. They have won 22 Grammy Awards, more than any other band, and in 2005, they were inducted into the Rock and Roll Hall of Fame in their first year of eligibility. Rolling Stone ranked U2 at number 22 in its list of the "100 Greatest Artists of All Time" and has labelled them the "Biggest Band in the World". Throughout their career, as a band and as individuals, they have campaigned for human rights and philanthropic causes, including Amnesty International, the ONE/DATA campaigns, Product Red, and The Edge's Music Rising.
History See also: Timeline of U2
Formation and early years (1976–79) 
The band formed in Dublin on 25 September 1976. Larry Mullen, Jr., then a 14-year-old student at Mount Temple Comprehensive School, posted a note on the school's notice board in search of musicians for a new band—six people responded. Setting up in his kitchen, Mullen was on drums, with Paul Hewson (Bono) on lead vocals; David Evans (The Edge) and his older brother Dik Evans on guitar; Adam Clayton, a friend of the Evans brothers on bass guitar; and initially Ivan McCormick and Peter Martin, two other friends of Mullen. Mullen later described it as "'The Larry Mullen Band' for about ten minutes, then Bono walked in and blew any chance I had of being in charge." Soon after, the group settled on the name "Feedback" because it was one of the few technical terms they knew. Martin did not return after the first practice, and McCormick left the group within a few weeks. Most of the group's initial material consisted of cover songs, which the band admitted was not their forté. Some of the earliest influences on the band were emerging punk rock acts, such as The Jam, The Clash, Buzzcocks, and Sex Pistols. The popularity of punk rock convinced the group that musical proficiency was not a prerequisite to being successful.
"We couldn't believe it. I was completely shocked. We weren't of an age to go out partying as such but I don't think anyone slept that night.... Really, it was just a great affirmation to win that competition, even though I've no idea how good we were or what the competition was really like. But to win at that point was incredibly important for morale and everyone's belief in the whole project."—The Edge, on winning the CBS competition
In March 1977, the band changed their name to The Hype. Dik Evans, who was older and by this time at college, was becoming the odd man out. The rest of the band was leaning towards the idea of a four-piece ensemble and he was "phased out" in March 1978. During a farewell concert in the Presbyterian Church Hall in Howth, which featured The Hype playing covers, Dik ceremonially walked offstage. The remaining four band members completed the concert playing original material as "U2". Steve Averill, a punk rock musician (with The Radiators) and family friend of Clayton's, had suggested six potential names from which the band chose "U2" for its ambiguity and open-ended interpretations, and because it was the name that they disliked the least.
On Saint Patrick's Day in 1978, U2 won a talent show in Limerick. The prize consisted of £500 and studio time to record a demo which would be heard by CBS Ireland, a record label. This win was an important milestone and affirmation for the fledgling band. U2 recorded their first demo tape at Keystone Studios in Dublin in May 1978. Hot Press magazine was influential in shaping the band's future; in May, Paul McGuinness, who had earlier been introduced to the band by the publication's journalist Bill Graham, agreed to be U2's manager. The group's first release, an Ireland-only EP entitled Three, was released in September 1979 and was their first Irish chart success. In December 1979, U2 performed in London for their first shows outside Ireland, although they were unable to gain much attention from audiences or critics. In February 1980, their second single "Another Day" was released on the CBS label, but again only for the Irish market.
Boy, October, and War (1980–84) 
Island Records signed U2 in March 1980, and in May the band released "11 O'Clock Tick Tock" as their first international single. The band's debut album, Boy, followed in October. Produced by Steve Lillywhite, it received generally positive reviews. Although Bono's unfocused lyrics seemed improvised, they expressed a common theme: the dreams and frustrations of adolescence. The album included the band's first United States hit single, "I Will Follow". Boy's release was followed by the Boy Tour, U2's first tour of continental Europe and the United States. Despite being unpolished, these early live performances demonstrated U2's potential, as critics noted that Bono was a "charismatic" and "passionate" showman.
The band's second album, October, was released in 1981 and contained overtly spiritual themes. During the album's recording sessions, Bono and The Edge considered quitting the band due to perceived spiritual conflicts. Bono, The Edge, and Mullen had joined a Christian group in Dublin called the "Shalom Fellowship", which led them to question the relationship between the Christian faith and the rock and roll lifestyle. Bono and The Edge took time off between tours and decided to leave Shalom in favour of continuing with the band. Recording was further complicated with the theft of a briefcase containing lyrics for several working songs from backstage during the band's performance at a nightclub in Portland, Oregon. The album received mixed reviews and limited radio play. Low sales outside the UK put pressure on their contract with Island and focused the band on improvement.
Resolving their doubts of the October period, U2 released War in February 1983. A record where the band "turned pacifism itself into a crusade", War's sincerity and "rugged" guitar was intentionally at odds with the trendier synthpop of the time. The album included the politically charged "Sunday Bloody Sunday", in which Bono lyrically tried to contrast the events of Bloody Sunday with Easter Sunday. Rolling Stone magazine wrote that the song showed the band was capable of deep and meaningful songwriting. War was U2's first album to feature the photography of Anton Corbijn, who remains U2's principal photographer and has had a major influence on their vision and public image. U2's first commercial success, War debuted at number one in the UK, and its first single, "New Year's Day", was the band's first hit outside Ireland or the UK.
On the subsequent War Tour, the band performed sold-out concerts in mainland Europe and the US. The sight of Bono waving a white flag during performances of "Sunday Bloody Sunday" became the tour's iconic image. U2 recorded the Under a Blood Red Sky live album and the Live at Red Rocks concert film on tour, both of which received extensive play on the radio and MTV, expanding the band's audience and showcasing their prowess as a live act. With their record deal with Island Records coming to an end, the band signed a more lucrative extension in 1984. They negotiated the return of their copyrights (so that they owned the rights to their own songs), an increase in their royalty rate, and a general improvement in terms, at the expense of a larger initial payment.
The Unforgettable Fire and Live Aid (1984–85) 
"We knew the world was ready to receive the heirs to The Who. All we had to do was to keep doing what we were doing and we would become the biggest band since Led Zeppelin, without a doubt. But something just didn't feel right. We felt we had more dimension than just the next big anything, we had something unique to offer."—Bono, on The Unforgettable Fire's new direction.
The band feared that following the overt rock of the War album and tour, they were in danger of becoming another "shrill", "sloganeering arena-rock band". Thus, they sought experimentation for their fourth studio album, The Unforgettable Fire; as Adam Clayton recalls, "We were looking for something that was a bit more serious, more arty." The Edge admired the ambient and "weird works" of Brian Eno, who, along with his engineer Daniel Lanois, eventually agreed to produce the record.
Partly recorded in Slane Castle, The Unforgettable Fire was released in 1984 and was at the time the band's most marked change in direction. It was ambient and abstract, and featured a rich, orchestrated sound. Under Lanois' direction, Mullen's drumming became looser, funkier, and more subtle and Clayton's bass became more subliminal; the rhythm section no longer intruded, but flowed in support of the songs. Complementing the album's atmospheric sound, the lyrics are open to interpretation, providing what the band called a "very visual feel". Due to a tight recording schedule, however, Bono felt songs like "Bad" and "Pride (In the Name of Love)" were incomplete "sketches". The album's lead single "Pride (In the Name of Love)", written about Martin Luther King, Jr., was the band's biggest hit to that point and was their first song to chart in the US top 40.
Much of The Unforgettable Fire Tour moved into indoor arenas as U2 began to win their long battle to build their audience. The complex textures of the new studio-recorded tracks, such as "The Unforgettable Fire" and "Bad", were problematic to translate to live performances. One solution was programmed sequencers, which the band had previously been reluctant to use, but are now used in the majority of the band's performances. Songs on the album had been criticised as being "unfinished", "fuzzy", and "unfocused", but were better received by critics when played on stage.
U2 participated in the Live Aid concert for Ethiopian famine relief at Wembley Stadium in July 1985. U2's performance in front of 72,000 fans in the stadium in an event that had a worldwide television audience of two billion people was a pivotal point in the band's career. During a 14-minute performance of the song "Bad", Bono leapt down off the stage to embrace and dance with a fan, showing a television audience the personal connection that Bono could make with audiences. In 1985, Rolling Stone magazine called U2 the "Band of the '80s", saying that "for a growing number of rock-and-roll fans, U2 have become the band that matters most, maybe even the only band that matters".
The Joshua Tree and Rattle and Hum (1986–89) 
"The wild beauty, cultural richness, spiritual vacancy and ferocious violence of America are explored to compelling effect in virtually every aspect of The Joshua Tree—in the title and the cover art, the blues and country borrowings evident in the music ... Indeed, Bono says that 'dismantling the mythology of America' is an important part of The Joshua Tree's artistic objective."—Anthony DeCurtis
For their fifth album, The Joshua Tree, the band wanted to build on The Unforgettable Fire's textures, but instead of out-of-focus experimentation, they sought a harder-hitting sound within the limitation of conventional song structures. Realising that "U2 had no tradition" and that their knowledge of music from before their childhood was limited, the group delved into American and Irish roots music. Friendships with Bob Dylan, Van Morrison, and Keith Richards motivated the band to explore blues, folk, and gospel music and focused Bono on his skills as a songwriter and lyricist. U2 interrupted the album sessions in mid-1986 to serve as a headline act on Amnesty International's A Conspiracy of Hope tour. Rather than being a distraction, the tour added extra intensity and focus to their new material. Later that year, Bono travelled to San Salvador and Nicaragua and saw first-hand the distress of peasants bullied in internal conflicts that were subject to US political intervention. The experience became a central influence on the new music.
The Joshua Tree was released in March 1987. The album juxtaposes antipathy towards US foreign policy against the group's deep fascination with the country, its open spaces, freedom, and ideals. The band wanted music with a sense of location and a "cinematic" quality, and the record's music and lyrics draw on imagery created by American writers whose works the band had been reading. The Joshua Tree became the fastest-selling album in British chart history, and topped the Billboard 200 in the United States for nine consecutive weeks. The first two singles, "With or Without You" and "I Still Haven't Found What I'm Looking For", quickly became the group's first number-one hits in the US. They became the fourth rock band to be featured on the cover of Time magazine, which declared that U2 was "Rock's Hottest Ticket". The album won U2 their first two Grammy Awards, and it brought the band a new level of success. Many publications, including Rolling Stone, have cited it as one of rock's greatest. The Joshua Tree Tour was the first tour on which the band played shows in stadiums, alongside smaller arena shows.
The documentary Rattle and Hum featured footage recorded from The Joshua Tree Tour, and the accompanying double album of the same name included nine studio tracks and six live U2 performances. Released in October 1988, the album and film were intended as a tribute to American music; they included recordings at Sun Studios in Memphis and performances with Bob Dylan and B. B. King. Rattle and Hum performed modestly at the box office and received mixed reviews from both film and music critics; one Rolling Stone editor spoke of the album's "excitement", another described it as "bombastic and misguided". The film's director, Phil Joanou, described it as "an overly pretentious look at U2". Most of the album's new material was played on 1989's Lovetown Tour, which only visited Australia, Japan and Europe, so as to avoid the critical backlash the group faced in the US. In addition, they had grown dissatisfied with their live performances; Mullen recalled that "We were the biggest, but we weren't the best". With a sense of musical stagnation, Bono said to fans on one of the last dates of the tour that it was "the end of something for U2" and that they had to "go away and... just dream it all up again".
Achtung Baby, Zoo TV, and Zooropa (1990–93) 
"Buzzwords on this record were trashy, throwaway, dark, sexy, and industrial (all good) and earnest, polite, sweet, righteous, rockist and linear (all bad). It was good if a song took you on a journey or made you think your hifi was broken, bad if it reminded you of recording studios or U2..."—Brian Eno, on the recording of Achtung Baby
Stung by the criticism of Rattle and Hum, the band sought to transform themselves musically. Seeking inspiration on the eve of German reunification, they began work on their seventh studio album, Achtung Baby, at Hansa Studios in Berlin in October 1990 with producers Daniel Lanois and Brian Eno. The sessions were fraught with conflict, as the band argued over their musical direction and the quality of their material. While Clayton and Mullen preferred a sound similar to U2's previous work, Bono and The Edge were inspired by European industrial music and electronic dance music and advocated a change. Weeks of tension and slow progress nearly prompted the group to break up until they made a breakthrough with the improvised writing of the song "One". They returned to Dublin in 1991, where morale improved and the majority of the album was completed.
Achtung Baby was released in November 1991. The album represented a calculated change in musical and thematic direction for the group; the shift was one of their most dramatic since The Unforgettable Fire. Sonically, the record incorporated influences from alternative rock, dance, and industrial music of the time, and the band referred to its musical departure as "four men chopping down the Joshua Tree". Thematically, it was a more introspective and personal record; it was darker, yet at times more flippant than the band's previous work. Commercially and critically, it has been one of the band's most successful albums. It produced five hit singles, including "The Fly", "Mysterious Ways", and "One", and it was a crucial part of the band's early 1990s reinvention. Like The Joshua Tree, many publications have cited the record as one of rock's greatest.
Like Achtung Baby, the 1992–1993 Zoo TV Tour was an unequivocal break with the band's past. In contrast to the austere stage setups of previous U2 tours, Zoo TV was an elaborate multimedia event. It satirised the pervasive nature of television and its blurring of news, entertainment, and home shopping by attempting to instill "sensory overload" in its audience. The stage featured large video screens that showed visual effects, random video clips from pop culture, and flashing text phrases. Whereas U2 were known for their earnest performances in the 1980s, the group's Zoo TV performances were intentionally ironic and self-deprecating; on stage, Bono performed as several over-the-top characters, including "The Fly", "Mirror Ball Man", and "MacPhisto". Prank phone calls were made to President Bush, the United Nations, and others. Live satellite link-ups to war-torn Sarajevo caused controversy.
Quickly recorded during a break in the Zoo TV Tour in mid-1993, the Zooropa album expanded on many of the themes from Achtung Baby and the Zoo TV Tour. Initially intended as an EP, Zooropa ultimately evolved into full-length LP album. It was an even greater departure from the style of their earlier recordings, incorporating further dance influences and other electronic effects. Johnny Cash sang the lead vocals on "The Wanderer". Most of the songs were played at least once during the 1993 legs of the tour, which visited Europe, Australia, New Zealand and Japan; half the album's tracks became permanent fixtures in the setlist. Although the commercially successful "Zooropa" won the Grammy Award for Best Alternative Music Album in 1994, the band regard it with mixed feelings, as they felt it was more of "an interlude".
Passengers, Pop, and PopMart (1994–99) 
In 1995, U2 released an experimental album called Original Soundtracks 1. Brian Eno, producer of four previous U2 albums, contributed as a full partner, including writing and performing. For this reason and due to the record's highly experimental nature, the band chose to release it under the moniker "Passengers" to distinguish it from U2's conventional albums. Mullen said of the album, "There's a thin line between interesting music and self-indulgence. We crossed it on the Passengers record." It was commercially unnoticed by U2 standards and it received generally poor reviews. However, the single "Miss Sarajevo" featuring Luciano Pavarotti, which Bono cites as one of his favourite U2 songs, was successful.
"It's not enough to write a great lyric; it's not enough to have a good idea or a great hook, lots of things have to come together and then you have to have the ability to discipline and screen. We should give this album to a re-mixer, go back to what was originally intended..."—Bono, on Pop
On 1997's Pop, U2 continued experimenting; tape loops, programming, rhythm sequencing, and sampling provided much of the album with heavy, funky dance rhythms. Released in March, the album debuted at number one in 35 countries and drew mainly positive reviews. Rolling Stone, for example, stated that U2 had "defied the odds and made some of the greatest music of their lives". Others felt that the album was a major disappointment and sales were poor compared to previous U2 releases. The band was hurried into completing the album in time for the impending pre-booked tour, and Bono admitted that the album "didn't communicate the way it was intended to".
The subsequent tour, PopMart, commenced in April 1997. Like Zoo TV, it poked fun at pop culture and was intended to send a sarcastic message to those accusing U2 of commercialism. The stage included a 100-foot (30 m) tall golden yellow arch (reminiscent of the McDonald's logo), a 150-foot (46 m) long video screen, and a 40-foot (12 m) tall mirrorball lemon. U2's "big shtick" failed, however, to satisfy many who were seemingly confused by the band's new kitsch image and elaborate sets. The postponement of Pop's release date in order to complete the album meant rehearsal time for the tour was severely reduced, and performances in early shows suffered. A highlight of the tour was the concert in Sarajevo where U2 were the first major group to perform there following the Bosnian War. Mullen described the concert as "an experience I will never forget for the rest of my life, and if I had to spend 20 years in the band just to play that show, and have done that, I think it would have been worthwhile." Bono called the show "one of the toughest and one of the sweetest nights of my life". One month after the conclusion of the PopMart Tour, U2 appeared on the 200th episode of the animated sitcom The Simpsons, "Trash of the Titans", in which Homer Simpson disrupted the band on stage during a PopMart concert.
"Reapplying for the job of the best band in the world" (2000–06) 
Following the relatively disappointing reception of Pop, U2 declared they were "reapplying for the job ... [of] the best band in the world", and they have since pursued a more conventional rock sound mixed with the influences of their 1990s musical explorations. All That You Can't Leave Behind was released in October 2000 and was produced by Brian Eno and Daniel Lanois. For many of those not won over by the band's 1990s music, it was considered a return to grace; Rolling Stone called it U2's "third masterpiece" alongside The Joshua Tree and Achtung Baby. The album debuted at number one in 22 countries and its worldwide hit single, "Beautiful Day" earned three Grammy Awards. The album's other three singles also won Grammy Awards.
For the Elevation Tour, U2 performed in a scaled-down setting, returning to arenas after nearly a decade of stadium productions. A heart-shaped stage and ramp permitted greater proximity to the audience. Following the September 11 attacks, the new album gained added resonance, and in October, U2 performed at Madison Square Garden in New York City. Bono and The Edge later said these New York City shows were among their most memorable and emotional performances. In early 2002, U2 performed during halftime of Super Bowl XXXVI, which SI.com ranked as the best halftime show in Super Bowl history.
The band's next studio album, How to Dismantle an Atomic Bomb, was released in November 2004. The band were looking for a harder-hitting rock sound than All That You Can't Leave Behind. Thematically, Bono stated that "a lot of the songs are paeans to naiveté, a rejection of knowingness." The first single, "Vertigo", was featured on an internationally aired television commercial for the Apple iPod, and a U2 iPod and an iTunes U2 box set were released as part of a promotion with Apple. The album debuted at number one in the US, where the first week's sales doubled that of All That You Can't Leave Behind and set a record for the band. Claiming it as a contender as one of U2's three best albums, Bono said, "There are no weak songs. But as an album, the whole isn't greater than the sum of its parts, and it fucking annoys me." The Vertigo Tour featured a setlist that varied more across dates than any U2 tour since the Lovetown Tour, and it included songs not played since the early 1980s. Like the Elevation Tour, the Vertigo Tour was a commercial success. The album and its singles won Grammy Awards in all eight categories in which U2 were nominated. In 2005, Bruce Springsteen inducted U2 into the Rock and Roll Hall of Fame. A 3-D concert film, U2 3D, filmed at nine concerts during the Latin American and Australian legs of the Vertigo Tour was released on 23 January 2008.
In August 2006, the band incorporated its publishing business in The Netherlands following the capping of Irish artists' tax exemption at €250,000. The Edge stated that businesses often seek to minimise their tax burdens. The move was criticised in the Irish parliament. The band said the criticism was unfair, stating that approximately 95% of their business took place outside of Ireland, that they were taxed globally because of this, and that they were all "personal investors and employers in the country".
No Line on the Horizon, U2 360° Tour and thirteenth studio album (2006–present) 
Recording for U2's twelfth album, No Line on the Horizon, began with producer Rick Rubin in 2006, but the sessions were short-lived and the material was shelved. In June 2007, the band began new sessions with Brian Eno and Daniel Lanois, who contributed not only as producers, but for the first time with U2, as songwriters as well. In March 2008, the band signed a 12-year deal with Live Nation worth an estimated $100 million (£50 million), which includes Live Nation controlling the band's merchandise, sponsoring, and their official website. Recording on the album continued through December 2008 in the US, the UK, Ireland, and Fez, Morocco, where the band explored North African music. Intended as a more experimental work than their previous two albums, No Line on the Horizon was released in February 2009 and received generally positive reviews, including their first five-star Rolling Stone review. Critics, however, noted it was not as experimental as expected. The album debuted at number one in over 30 countries, but its sales have been comparatively low by U2 standards and it did not contain a hit single.
The group commenced the U2 360° Tour in 2009. The shows featured the largest concert stage structure ever, nicknamed "the Claw", and a 360-degree staging/audience configuration that allowed fans to surround the stage from all sides. The tour visited European and North American stadiums in 2009. At year's end, Rolling Stone named U2 one of eight "Artists of the Decade". The group's tours ranked them second in total concert grosses for the decade after The Rolling Stones, although U2 had a significantly higher attendance figure than the Stones. They were the only band in the top 25 touring acts of the 2000s to sell out every show they played. U2 resumed the 360° Tour in 2010 with legs in Europe, Australia, and New Zealand. However, their scheduled headline appearance at the Glastonbury Festival 2010 and their North American leg that year were postponed following a serious injury to Bono's back. These appearances were rescheduled for 2011 after the South African and South American legs. By its conclusion in July 2011, U2 360° had set records for the highest-grossing concert tour with $736 million in ticket sales, and for the highest-attended tour with over 7.2 million tickets sold.
U2 are currently working on their thirteenth studio album, which they plan to release in 2013.
Musical style 
Since their inception, U2 have developed and maintained a distinctly recognisable sound, with emphasis on melodic instrumentals and expressive, larger-than-life vocals. This approach is rooted partly in the early influence of record producer Steve Lillywhite at a time when the band was not known for musical proficiency. The Edge has consistently used a rhythmic echo and a signature delay to craft his guitar work, coupled with an Irish-influenced drone played against his syncopated melodies that ultimately yields a well-defined ambient, chiming sound. Bono has nurtured his falsetto operatic voice and has exhibited a notable lyrical bent towards social, political, and personal subject matter while maintaining a grandiose scale in his songwriting. In addition, The Edge has described U2 as a fundamentally live band.
Despite these broad consistencies, U2 have introduced brand new elements into their musical repertoire with each new album. U2's early sound was influenced by bands such as Television and Joy Division, and has been described as containing a "sense of exhilaration" that resulted from The Edge's "radiant chords" and Bono's "ardent vocals". U2's sound began with post-punk roots and minimalistic and uncomplicated instrumentals heard on Boy and October, but evolved through War to include aspects of rock anthem, funk, and dance rhythms to become more versatile and aggressive. Boy and War were labelled "muscular and assertive" by Rolling Stone, influenced in large part by Lillywhite's producing. The Unforgettable Fire, which began with The Edge playing more keyboards than guitars, as well as follow-up The Joshua Tree, had Brian Eno and Daniel Lanois at the production helm. With their influence, both albums achieved a "diverse texture". The songs from The Joshua Tree and Rattle and Hum placed more emphasis on Lanois-inspired rhythm as they mixed distinct and varied styles of gospel and blues music, which stemmed from the band's burgeoning fascination with America's culture, people and places. In the 1990s, U2 reinvented themselves as they began using synthesisers, distortion, and electronic beats derived from alternative rock, industrial music, dance, and hip-hop on Achtung Baby, Zooropa, and Pop. In the 2000s, U2 returned to a more stripped-down sound, with more conventional rhythms and reduced usage of synthesisers and effects.
Lyrics and themes 
Social and political commentary, often embellished with Christian and spiritual imagery, are a major aspect of U2's lyrical content. Songs such as "Sunday Bloody Sunday", "Silver and Gold", and "Mothers of the Disappeared" were motivated by current events of the time. The former was written about the troubles in Northern Ireland, while the latter concerns the struggle of a group of women whose children were killed or "disappeared" by the government during the Salvadoran Civil War. The song "Running to Stand Still" from The Joshua Tree was inspired by the heroin addiction that was sweeping through Dublin—the lyric "I see seven towers, but I only see one way out" references the Ballymun Towers of Northern Dublin and the imagery throughout the song personifies the struggles of addiction.
Bono's personal conflicts and turmoil inspired songs like "Mofo", "Tomorrow" and "Kite". An emotional yearning or pleading frequently appears as a lyrical theme, in tracks such as "Yahweh", "Peace on Earth", and "Please". Much of U2's songwriting and music is also motivated by contemplations of loss and anguish, coupled with hopefulness and resiliency, themes that are central to The Joshua Tree. Some of these lyrical ideas have been amplified by Bono and the band's personal experiences during their youth in Ireland, as well as Bono's campaigning and activism later in his life. U2 have used tours such as Zoo TV and PopMart to caricature social trends, such as media overload and consumerism, respectively.
While the band and its fans often affirm the political nature of their music, U2's lyrics and music have been criticised as apolitical because of their vagueness and "fuzzy imagery", and a lack of any specific references to actual people or characters.
The band cites The Who, The Clash, Television, Ramones, The Beatles, Joy Division, Siouxsie and the Banshees, Elvis Presley, and Patti Smith as influences. Van Morrison has been cited by Bono as an influence and the Rock and Roll Hall of Fame points out his influence on U2. U2 have also worked with and/or had influential relationships with artists including Johnny Cash, Green Day, Leonard Cohen, Bruce Springsteen, B.B. King, Lou Reed, Luciano Pavarotti, Bob Dylan, Elvis Costello, Wim Wenders, R.E.M., Salman Rushdie, and Anton Corbijn.
Campaigning and activism 
Since the early 1980s, the members of U2—as a band and individually—have collaborated with other musicians, artists, celebrities, and politicians to address issues concerning poverty, disease, and social injustice.
In 1984, Bono and Adam Clayton participated in Band Aid to raise money for the 1983–1985 famine in Ethiopia. This initiative produced the hit charity single "Do They Know It's Christmas?", which would be the first among several collaborations between U2 and Bob Geldof. In July 1985, U2 played Live Aid, a follow-up to Band Aid's efforts. Bono and his wife Ali, invited by World Vision, later visited Ethiopia where they witnessed the famine first hand. Bono would later say this laid the groundwork for his Africa campaigning and some of his songwriting.
In 1986, U2 participated in the A Conspiracy of Hope tour in support of Amnesty International and in Self Aid for unemployment in Ireland. The same year, Bono and Ali Hewson also visited Nicaragua and El Salvador at the invitation of the Sanctuary movement, and saw the effects of the El Salvador Civil War. These 1986 events greatly influenced The Joshua Tree album, which was being recorded at the time.
In 1992, the band participated in the "Stop Sellafield" concert with Greenpeace during their Zoo TV tour. Events in Sarajevo during the Bosnian war inspired the song "Miss Sarajevo", which premiered at a September 1995 Pavarotti and Friends show, and which Bono and the Edge performed at War Child. A promise made in 1993 was kept when the band played in Sarajevo as part of 1997's PopMart Tour. In 1998, they performed in Belfast days prior to the vote on the Good Friday Agreement, bringing Northern Irish political leaders David Trimble and John Hume on stage to promote the agreement. Later that year, all proceeds from the release of the "Sweetest Thing" single went towards supporting the Chernobyl Children's Project.
In 2001, the band dedicated "Walk On" to Burma's pro-democracy leader Aung San Suu Kyi. In late 2003, Bono and the Edge participated in the South Africa HIV/AIDS awareness 46664 series of concerts hosted by Nelson Mandela. The band played 2005's Live 8 concert in London. The band and manager Paul McGuinness were awarded Amnesty International's Ambassador of Conscience Award for their work in promoting human rights.
Since 2000, Bono's campaigning has included Jubilee 2000 with Bob Geldof, Muhammad Ali, and others to promote the cancellation of third world debt during the Great Jubilee. In January 2002, Bono co-founded the multinational NGO, DATA, with the aim of improving the social, political, and financial state of Africa. He continued his campaigns for debt and HIV/AIDS relief into June 2002 by making high-profile visits to Africa.
Product Red, a 2006 for-profit brand seeking to raise money for the Global Fund, was founded, in part, by Bono. The ONE Campaign, originally the US counterpart of Make Poverty History, was shaped by his efforts and vision.
In late 2005, following Hurricane Katrina and Hurricane Rita, The Edge helped introduce Music Rising, an initiative to raise funds for musicians who lost their instruments in the storm-ravaged Gulf Coast. In 2006, U2 collaborated with pop punk band Green Day to record a remake of the song "The Saints Are Coming" by The Skids to benefit Music Rising.
U2 and Bono's social activism have not been without its critics, however. Several authors and activists who publish in politically left journals such as CounterPunch have decried Bono for allowing his celebrity to be coopted by an association with political figures such as Paul Wolfowitz, as well as his "essential paternalism". Other news sources have more generally questioned the efficacy of Bono's campaign to relieve debt and provide assistance to Africa. Tax and development campaigners have also criticised the band's move from Ireland to the Netherlands to reduce its tax bill.
Other projects 
The members of U2 have undertaken a number of side projects, sometimes in collaboration with some of their bandmates. In 1985, Bono recorded the song "In a Lifetime" with the Irish band Clannad. The Edge recorded a solo soundtrack album for the film Captive in 1986, which included a vocal performance by Sinéad O'Connor that predates her own debut album by a year. Bono and The Edge wrote the song "She's a Mystery to Me" for Roy Orbison, which was featured on his 1989 album Mystery Girl. In 1990, Bono and The Edge provided the soundtrack to Royal Shakespeare Company London stage version of A Clockwork Orange (only one track was ever released, on the b-side to "The Fly" single). That same year, Mullen co-wrote and produced a song for the Irish International soccer team in Italia '90, called "Put 'Em Under Pressure", which topped the Irish charts. Together with The Edge, Bono wrote the song "GoldenEye" for the 1995 James Bond film GoldenEye, which was performed by Tina Turner. Clayton and Mullen reworked the "Theme from Mission: Impossible" for the franchise's 1996 film. Bono loaned his voice to "Joy" on Mick Jagger's 2001 album Goddess in the Doorway. Bono also recorded a spare, nearly spoken-word version of Leonard Cohen's "Hallelujah" for the Tower of Song compilation in 1995. Additionally, in 1998, Bono collaborated with Kirk Franklin and Crystal Lewis (along with controversial mainstream artists R. Kelly and Mary J. Blige) for a successful gospel song called "Lean on Me".
Aside from musical collaborations, U2 have worked with several authors. American author William S. Burroughs had a guest appearance in U2's video for "Last Night on Earth" shortly before he died. His poem "A Thanksgiving Prayer" was used as video footage during the band's Zoo TV Tour. Other collaborators include William Gibson and Allen Ginsberg. In early 2000, the band recorded three songs for The Million Dollar Hotel movie soundtrack, including "The Ground Beneath Her Feet", which was co-written by Salman Rushdie and motivated by his book of the same name.
In 2007, Bono appeared in the movie Across the Universe and performed The Beatles songs. Bono and The Edge also wrote the music and lyrics for the Broadway musical Spider-Man: Turn Off the Dark. Additionally, The Edge created the theme song for Season 1 and 2 of the animated television series The Batman.
Legacy Rolling Stone ranked The Edge and Bono among the greatest guitarists and singers, respectively.
U2 have sold more than 150 million records, placing them amongst the best-selling music artists of all time. With 51.5 million certified units by the RIAA, U2 rank as the 21st-highest-selling music artist in the US. The group's fifth studio album The Joshua Tree is one of the best-selling albums in the US (10 million copies shipped) and worldwide (25 million copies sold). Forbes estimates that U2 earned US$78 million between May 2011 and May 2012, making them the fourth-highest-paid musical artist.
Rolling Stone placed U2 at number 22 on its list of the "100 Greatest Artists of All Time", while ranking Bono the 32nd-greatest singer and The Edge the 38th-greatest guitarist. In 2004, ranked U2 as the fourth-biggest band in a list compiled based on album sales, time spent on the UK charts, and largest audience for a headlining show. A 2011 readers' poll in named U2 the Greatest Act of the Last 25 Years. VH1 placed U2 at number 19 on its 2010 list of "The 100 Greatest Artists of All Time". In 2010, eight of U2's songs appeared on Rolling Stone's updated list of "The 500 Greatest Songs of All Time", with "One" ranking the highest at number 36. Five of the group's twelve studio albums were ranked on the magazine's 2012 list of "The 500 Greatest Albums of All Time"—The Joshua Tree placed the highest at number 26. Reflecting on the band's popularity and worldwide impact, Jeff Pollack for The Huffington Post said, "like The Who before them, U2 wrote songs about things that were important and resonated with their audience".
U2 received their first Grammy Award in 1988 for The Joshua Tree, and they have won 22 in total out of 34 nominations, more than any other group. These include Best Rock Duo or Group, Album of the Year, Record of the Year, Song of the Year and Best Rock Album. The British Phonographic Industry has awarded U2 seven BRIT Awards, five of these being for Best International Group. In Ireland, U2 have won 14 Meteor Awards since the awards began in 2001. Other awards include one AMA, four VMAs, eleven Q Awards, two Juno Awards, three NME Awards, and a Golden Globe Award. The band were inducted into the Rock and Roll Hall of Fame in early 2005. In 2006, all four members of the band received ASCAP awards for writing the songs, "I Still Haven't Found What I'm Looking For", and "Vertigo".