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
Journey to the Centre of the Earth (album) Wakeman wished to make an album that told a story with its music, something that he had been inspired to do so since his father took him to see a performance of the symphonic fairy tale "Peter and the Wolf" by Sergei Prokofiev which features a narrator telling the story and an orchestra illustrating the action. Wakeman had wanted to do an orchestral rock piece based on the 1864 science fiction novel "Journey to the Centre of the Earth" by Jules Verne as early as November 1971, but he put the project on hold until he had finished recording "The