Harry Nilsson to Rod Stewart in 9 Steps
- Harry Nilsson wrote Gotta Get Up
- Gotta Get Up was produced by Richard Perry
- Richard Perry produced My World
- My World is an album by Ray Charles
- Ray Charles is one of many artists that recorded It Had to Be You
- It Had to Be You 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