Olivia Newton John to It's Only a Paper Moon in 9 Steps
- Olivia Newton John is in the cast of Grease
- Grease cast includes John Travolta
- John Travolta is one of many artists that recorded It Had to Be You
- It Had to Be You was arranged by Gordon Jenkins
- Gordon Jenkins arranged Nevertheless (I'm In Love With You)
- Nevertheless (I'm In Love With You) was produced by Derek Taylor
- Derek Taylor produced Over The Rainbow
- Over The Rainbow was written by Edgar Yipsel Harburg
- Edgar Yipsel Harburg wrote It's Only a Paper Moon