Derek Taylor to Rod Stewart in 5 Steps
- Derek Taylor produced I Wonder Who's Kissing Her Now
- I Wonder Who's Kissing Her Now was arranged by Gordon Jenkins
- Gordon Jenkins arranged Makin' Whoopee!
- Makin' Whoopee! was recorded by many artists including Elton John
- Elton John recorded a duet of "Makin' Whoopee" with Rod Stewart