Leo Hickman to Rudy Vallee in 8 Steps
- Leo Hickman wrote Early In The Morning
- Early In The Morning was produced by Richard Perry
- Richard Perry produced My World
- My World is an album by Ray Charles
- Ray Charles 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 Rudy Vallee