Gus Kahn to Claude Whatham in 9 Steps
- Gus Kahn wrote It Had to Be You
- It Had to Be You was arranged by Gordon Jenkins
- Gordon Jenkins arranged You Made Me Love You (I Didn't Want To Do It)
- You Made Me Love You (I Didn't Want To Do It) was produced by Derek Taylor
- Derek Taylor produced I Wonder Who's Kissing Her Now
- I Wonder Who's Kissing Her Now was recorded by John Randolph Marr
- John Randolph Marr recorded 1941
- 1941 was the inspiration for the film That'll Be the Day
- That'll Be the Day was directed by Claude Whatham