That'll Be the Day to Leo Robin in 8 Steps
- That'll Be the Day was based on the song 1941
- 1941 was covered by John Randolph Marr
- John Randolph Marr recorded I Wonder Who's Kissing Her Now
- I Wonder Who's Kissing Her Now was produced by Derek Taylor
- Derek Taylor produced 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 arranged by Gordon Jenkins
- Gordon Jenkins arranged Thanks for the Memory
- Thanks for the Memory was written by Leo Robin