A Collection of Great Dance Songs is a compilation album by the English rock band Pink Floyd. It was released on 23 November 1981 in the United Kingdom by Harvest Records and in the United States by Columbia Records.

"Shine On You Crazy Diamond" is a nine-part Pink Floyd composition written by David Gilmour, Roger Waters, and Richard Wright, which was first performed on Pink Floyd's 1974 French tour and appeared in Pink Floyd's 1975 concept album Wish You Were Here. The song is written about and dedicated to founder member Syd Barrett, who departed from the band in 1968 after dealing with mental problems and substance abuse.