Show Business to Harold Arlen in 8 Steps
- Show Business actors include It Had to Be You
- It Had to Be You was written by Gus Kahn
- Gus Kahn wrote Makin' Whoopee!
- Makin' Whoopee! was arranged by Gordon Jenkins
- Gordon Jenkins arranged I Wonder Who's Kissing Her Now
- I Wonder Who's Kissing Her Now was produced by Derek Taylor
- Derek Taylor produced Over The Rainbow
- Over The Rainbow was written by Harold Arlen