Harry Nilsson to Billy Rose in 9 Steps
- Harry Nilsson wrote Open Your Window
- Open Your Window was recorded 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
- It Had to Be You was arranged by Gordon Jenkins
- Gordon Jenkins arranged It's Only a Paper Moon
- It's Only a Paper Moon was written by Billy Rose