Pink Floyd is an English rock band. The band released The Piper at the Gates of Dawn in 1967. The Dark Side of the Moon, released in 1973, spent 14 consecutive years on the Billboard charts. Wish You Were Here was released in 1975. Pink Floyd released The Wall in 1979, which includes their most popular songs Comfortably Numb and Another Brick In the Wall, Pt. 2. The band appears in the concert film Pink Floyd: Delicate Sound of Thunder, as well as the documentaries Have You Got It Yet? and Pink Floyd: The Story of Wish You Were Here.