Classics makes it all clear — here are the roots of later developments such as techno-funk, acid-house, rave and trance, most released years before the forms became popular. Spanning the years 1985 to 1990 (in roughly chronological order), tracks like “No UFOs,” “Sound of Stereo, ” “Night Drive” and “The Chase” form one of the most consistent, forward-looking discographies of the decade, alternately noisy and sublime. – John Bush