Steve Howe (musician) combined with Jon Anderson's vocals, Chris Squire's bass, Bill Bruford's drums, and Tony Kaye's keyboards, were seen as an essential part of the band's change in musical direction towards progressive and art rock. The album includes a live recording of Howe's solo guitar piece "Clap", recorded on 17 July at the Lyceum Theatre in London. It was a commercial breakthrough for the group. Kaye left in 1971 and was replaced by Rick Wakeman for the following album, "Fragile". This classic Yes line-up of Anderson–Howe–Squire–Bruford–Wakeman is associated with the peak of the band's early achievements. "Fragile" is one of the most
Piano Vibrations described as "slightly cheesy", especially in light of Wakeman's later involvement in progressive rock, but still listenable. Piano Vibrations Piano Vibrations, though promoted in its re-release as the first studio album by English progressive rock keyboardist Rick Wakeman, is not considered a Wakeman album, even by himself. His contributions were limited to performing as a session musician and he did not compose any of the tracks. The album was released in 1971 on Polydor, after Wakeman had signed on to A&M Records. The album developed from Wakeman's time as a session musician. A&M Records had signed Wakeman on as the