That'll Be the Day to Derek Taylor in 6 Steps
- That'll Be the Day was inspired by the song 1941
- 1941 was recorded by John Randolph Marr
- John Randolph Marr recorded I Wonder Who's Kissing Her Now
- I Wonder Who's Kissing Her Now was arranged by Gordon Jenkins
- Gordon Jenkins arranged It Had to Be You
- It Had to Be You was produced by Derek Taylor