Yes are an English rock band formed in London in 1968 by singer Jon Anderson and bassist Chris Squire. The band have undergone numerous formations throughout its history; nineteen musicians have been full-time members. Since June 2015, it has consisted of guitarist Steve Howe, drummer Alan White, keyboardist Geoff Downes, singer Jon Davison, and bassist Billy Sherwood. Yes adopted several changes in musical style, from rearranged covers to progressive and art rock in the 1970s, before delving into pop during the 1980s. They have sold 13.5 million RIAA-certified albums in the US.Yes began their career in 1968, performing original songs and rearranged covers of rock, pop, blues and jazz songs, as evident on their first two albums. A change of direction in 1970 led to a series of successful progressive and art rock-style albums until their disbanding in 1981, their most successful being The Yes Album (1971), Fragile (1971) and Close to the Edge (1972). Yes toured as a major rock act that earned the band a reputation for their elaborate stage sets, light displays, and album covers designed by Roger Dean. The success of "Roundabout", the single from Fragile, cemented their popularity across the decade and beyond.