Yes are an English progressive rock band formed in London in 1968. Comprising 20 full-time musicians over their career, their most notable members include lead singer Jon Anderson, bassist Chris Squire, guitarists Steve Howe and Trevor Rabin, drummers Bill Bruford and Alan White, and keyboardists Tony Kaye and Rick Wakeman. The band have explored several musical styles and are often regarded as progressive rock pioneers. Since February 2023, the band's line-up consists of Howe, keyboardist Geoff Downes, bassist Billy Sherwood, singer Jon Davison, and drummer Jay Schellen.