Perry Botkin to That'll Be the Day in 9 Steps
- Perry Botkin (the elder) played guitar for Bing Crosby
- Bing Crosby is one of the many artists that recorded Makin' Whoopee!
- Makin' Whoopee! was arranged by Gordon Jenkins
- Gordon Jenkins arranged Thanks for the Memory
- Thanks for the Memory 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 inspired the film That'll Be the Day