Richard Perry to Rod Stewart in 9 Steps
- Richard Perry produced Let The Good Times Roll
- Let The Good Times Roll was sung by Harry Nilsson
- Harry Nilsson sang It Had to Be You
- It Had to Be You was produced by Derek Taylor
- Derek Taylor produced Makin' Whoopee
- Makin' Whoopee was written by Gus Kahn
- Gus Kahn wrote Makin' Whoopee!
- Makin' Whoopee! was recorded by many artists including Elton John
- Elton John recorded a duet of "Makin' Whoopee" with Rod Stewart