Shine On You Crazy Diamond is a song by Pink Floyd, written by David Gilmour, Roger Waters and Richard Wright in 1974. The song is a poignant tribute to former band member Syd Barrett, who had left the group in 1968. The song was performed for the first time during the French tour, 1974, and the following year was included in the concept album Wish You Were Here 1975.
U2 are an Irish rock band from Dublin. Formed in 1976, the group consists of Bono (vocals and guitar), The Edge (guitar, keyboards and vocals), Adam Clayton (bass guitar), and Larry Mullen, Jr. (drums and percussion). U2's early sound was rooted in post-punk but eventually grew to incorporate influences from many genres of popular music.