Unichappell Music to Rudy Vallee in 12 Steps
- Unichappell Music published Marchin' Down Broadway
- Marchin' Down Broadway was published by Six Continents Music
- Six Continents Music published Mrs. Livingston I Presume
- Mrs. Livingston I Presume was written by Harry Nilsson
- Harry Nilsson wrote I'll Never Leave You
- I'll Never Leave You 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