I Wonder Who's Kissing Her Now to Doris Day in 5 Steps
- 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 written by Gus Kahn
- Gus Kahn is played in I'll See You in My Dreams by Danny Thomas
- Danny Thomas recorded a duet of "Makin' Whoopee" with Doris Day