Genesis are an English rock band formed at Charterhouse School, Godalming, Surrey in 1967. The most commercially successful line-up includes keyboardist Tony Banks, guitarist Mike Rutherford and drummer/singer Phil Collins. Other important members were singer Peter Gabriel and guitarist Steve Hackett. The band underwent several significant 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 are one of the best-selling music artists of all time with 21.5 million RIAA-certified albums sold in the United States and an estimated 130 million sold worldwide.