Isham Jones to John Randolph Marr in 9 Steps
- Isham Jones wrote It Had to Be You
- It Had to Be You appeared in the film Show Business
- Show Business is a 1944 film starring Eddie Cantor
- Eddie Cantor was the first singer to record Makin' Whoopee!
- Makin' Whoopee! was produced by Derek Taylor
- Derek Taylor produced Nevertheless (I'm In Love With You)
- Nevertheless (I'm In Love With You) was arranged by Gordon Jenkins
- Gordon Jenkins arranged I Wonder Who's Kissing Her Now
- I Wonder Who's Kissing Her Now was recorded by John Randolph Marr