Portishead may not have invented trip-hop, but they were among the first to popularize it, particularly in America. Taking their cue from the slow, elastic beats that dominated Massive Attack's Blue Lines and adding elements of cool jazz, acid house, and soundtrack music, Portishead created an atmospheric, alluringly dark sound. The group wasn't as avant-garde as Tricky, nor as tied to dance traditions as Massive Attack; instead, ...full biography