Gus Kahn to Is It the Music in 8 Steps
- Gus Kahn wrote It Had to Be You
- It Had to Be You appeared in the film Show Business
- Show Business is a 1944 film starring Eddie Cantor
- Eddie Cantor was the first singer to record Makin' Whoopee!
- Makin' Whoopee! was recorded by many artists including Ella Fitzgerald
- Ella Fitzgerald recorded Open Your Window
- Open Your Window was written by Harry Nilsson
- Harry Nilsson wrote Is It the Music