Gus Kahn to Joseph Howard in 9 Steps

1. Gus Kahn wrote It Had to Be You
2. It Had to Be You appeared in the film Show Business
3. Show Business is a 1944 film starring Eddie Cantor
4. Eddie Cantor was the first singer to record Makin' Whoopee!
5. Makin' Whoopee! was written by Walter Donaldson
6. Walter Donaldson wrote Makin' Whoopee
7. Makin' Whoopee was arranged by Gordon Jenkins
8. Gordon Jenkins arranged I Wonder Who's Kissing Her Now
9. I Wonder Who's Kissing Her Now was written by Joseph Howard

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