Olivia Newton John to Unichappell Music in 8 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 produced by Derek Taylor
- Derek Taylor produced Over The Rainbow
- Over The Rainbow was sung by Harry Nilsson
- Harry Nilsson sang Ten Little Indians
- Ten Little Indians was published by Unichappell Music