Eddie Cantor to Harold Arlen in 7 Steps
- 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 Edgar Yipsel Harburg
- Edgar Yipsel Harburg wrote Over The Rainbow
- Over The Rainbow was written by Harold Arlen