Klaus Voormann to Gus Kahn in 8 Steps
- Klaus Voormann played bass for Son of Dracula
- Son of Dracula includes percussion played by Ray Cooper
- Ray Cooper played percussion for Perhaps This is All a Dream
- Perhaps This is All a Dream was produced by Harry Nilsson
- Harry Nilsson wrote Open Your Window
- Open Your Window was recorded by Ella Fitzgerald
- Ella Fitzgerald is one of the many artists that recorded Makin' Whoopee!
- Makin' Whoopee! was written by Gus Kahn