U.K.

Featuring members of Yes, King Crimson, Roxy Music, and Soft Machine, U.K. was one of the most prominent progressive rock supergroups of the late '70s. Various members of U.K. -- guitarist Allan Holdsworth, keyboardist/violinist Eddie Jobson, bassist/vocalist John Wetton, and drummer Bill Bruford -- had all played together in their previous bands, but when the group formed in 1977, it was the first time all of the musicians had played together. Although the lineup was unstable -- Holdsworth and Bruford left after one album, with former Frank Zappa drummer Terry Bozzio replacin...