No Me Dejes to It Had to Be You in 7 Steps
- No Me Dejes was written by Harry Nilsson
- Harry Nilsson produced John Randolph Marr
- John Randolph Marr recorded I Wonder Who's Kissing Her Now
- I Wonder Who's Kissing Her Now was arranged by Gordon Jenkins
- Gordon Jenkins arranged Makin' Whoopee
- Makin' Whoopee was written by Gus Kahn
- Gus Kahn wrote It Had to Be You