In the overlapping worlds of pop and R&B, it’s dance tracks that drive sales. R&B practitioners, both mainstream and underground, have dutifully fallen in line, expanding contemporary soul’s parameters — and bettering their chart position — by injecting a cold shot of European techno.

But Beyoncé Knowles knows that in a post-Marvin Gaye world of committee-scripted piecemeal discs, it’s ballads that make albums. Inspired by Nigerian Afrobeat pioneer Fela Kuti, as well as several decades of classic American R&B, Queen B’s fourth album finds her looking over her shoulder, cutting back on hip-hop backbeats in favor of complex syncopations and the lithe melodies of classic soul.

Like 2008′s I Am… Sasha Fierce, 4 begins with a knockout slow-burner: “1+1,” a guitar-led torrent of desire that recalls Prince’s cataclysmic “Purple Rain.” Knowles has always been a showy singer, even in her early days with Destiny’s Child. But rather than maximizing on melisma or overdosing on AutoTune, she instead exposes the grain of her voice, emphasizing emotional and physical stain. Chronicling a love that’s grown one-sided, “I Care” is even more agonized: The Neptunes’ Chad Hugo brings a beat that evokes Grizzly Bear‘s falling-down-the-stairs rhythms and… read more »