Pink Floyd "You've Got to Be Crazy" 1974 "Dogs"

The music was written in 1974 by David Gilmour and Roger Waters, with lyrics by Waters, and originally titled "You've Got to Be Crazy". Waters modified the lyrics in some parts, transposed the key to suit both Gilmour's and his vocals, and retitled it "Dogs".
During 1974 performances of "You've Got to Be Crazy", which can be heard on the Immersion Box Set and the Experience version of Wish You Were Here, the band performed the song faster than it would eventually become