Harry Nilsson to It Had to Be You in 8 Steps
- Harry Nilsson wrote Maybe
- Maybe was arranged by George Tipton
- George Tipton arranged Open Your Window
- Open Your Window was covered by Ella Fitzgerald
- Ella Fitzgerald is one of the many artists that recorded Makin' Whoopee!
- Makin' Whoopee! was first recorded by Eddie Cantor
- Eddie Cantor starred in the 1944 film Show Business
- Show Business actors include It Had to Be You