Bert Kalmar to Gus Kahn in 6 Steps
- Bert Kalmar wrote Nevertheless (I'm In Love With You)
- Nevertheless (I'm In Love With You) was arranged by Gordon Jenkins
- Gordon Jenkins arranged It Had to Be You
- It Had to Be You was produced by Derek Taylor
- Derek Taylor produced Makin' Whoopee!
- Makin' Whoopee! was written by Gus Kahn