Over The Rainbow to Louis Armstrong in 9 Steps
- Over The Rainbow was sung by Harry Nilsson
- Harry Nilsson sang You're Breaking My Heart
- You're Breaking My Heart 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 Louis Armstrong