Genesis are an English rock band formed at Charterhouse School, Godalming, Surrey in 1967. The most commercially successful and long-lasting line-up includes keyboardist Tony Banks, bassist/guitarist Mike Rutherford and drummer/singer Phil Collins. Other important members were the original lead singer Peter Gabriel and guitarist Steve Hackett. The band underwent many changes in musical style over its career, from folk music to progressive rock in the 1970s, before moving towards pop at the end of the decade. They have sold 21.5 million RIAA-certified albums in the US and their worldwide sales are estimated to be between 100 million and 150 million.