Olivia Newton John to Leader of the Pack in 11 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 written by Gus Kahn
- Gus Kahn wrote Makin' Whoopee!
- Makin' Whoopee! was recorded by many artists including Ella Fitzgerald
- Ella Fitzgerald recorded Open Your Window
- Open Your Window was arranged by George Tipton
- George Tipton arranged River Deep-Mountain High
- River Deep-Mountain High was written by Ellie Greenwich
- Ellie Greenwich co-wrote the song Leader of the Pack