Tony Kaye is best known as the original keyboard player with prog legends YES, his Hammond organ giving their groundbreaking The YES Album it’s most distinctive sound within the YES catalogue. Following his departure from YES in 1971 Kaye was involved with a number of other bands including David Bowie, Badger and Badfinger before returning to YES for their greatest commercial success 90125 in 1983. Kaye remained with YES for several albums and tours before retiring from the music business in 1996.

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Following the re-awakening of his musical inspiration in 2001, Kaye accepted an invitation from current YES bassist Billy Sherwood to work on projects which led to the formation of CIRCA, in 2007, and has yielded four albums to date.