Music & lyrics by Roger Waters David Gilmour – vocals, guitars, bass guitar, roto toms Nick Mason – drums Richard Wright – synthesiser with: Bob Ezrin – synthesiser, piano Bruce Johnston – backing vocals Joe Chemay – backing vocals Stan Farber – backing vocals Jim Haas – backing vocals John Joyce – backing vocals Toni Tennille – backing vocals Personnel per Fitch and Mahon. References Further reading Fitch, Vernon. The Pink Floyd Encyclopedia (3rd edition), 2005. . Songs about theatre 1979 songs Pink Floyd songs Songs written by Roger Waters Song recordings produced by Bob Ezrin Song recordings produced by David Gilmour Song recordings produced by Roger Waters