Bert Kalmar to Mary Roos in 10 Steps
- Bert Kalmar wrote Nevertheless (I'm In Love With You)
- Nevertheless (I'm In Love With You) was produced by Derek Taylor
- Derek Taylor produced Makin' Whoopee!
- Makin' Whoopee! was arranged by Gordon Jenkins
- Gordon Jenkins arranged It Had to Be You
- It Had to Be You was written by Gus Kahn
- Gus Kahn wrote Makin' Whoopee
- Makin' Whoopee was sung by Harry Nilsson
- Harry Nilsson wrote Hamburg Im Regen
- Hamburg Im Regen was recorded by Mary Roos