Changestwobowie is a David Bowie compilation album issued in 1981 by RCA Records. It's title and packaging followed the format of RCA's earlier Bowie compilation, Changesonebowie released in 1976. As well as post-1976 singles, the album collected songs from earlier in Bowie's career that had not appeared on Changesone. David Bowie was a leading figure in popular music for over five decades, acclaimed by critics and fellow musicians for his innovative work. His career was marked by reinvention and visual presentation, his music and stagecraft significantly influencing popular music. During his lifetime, his record sales, estimated at 140 million albums worldwide, made him one of the world's best-selling music artists.