Peter Mercurio to Isham Jones in 8 Steps
- Peter Mercurio played bass for ...That's the Way It Is
- ...That's the Way It Is includes cello played by Ray Kelly
- Ray Kelly played cello for Aerial Ballet
- Aerial Ballet has liner notes by Derek Taylor
- Derek Taylor produced Makin' Whoopee!
- Makin' Whoopee! was written by Gus Kahn
- Gus Kahn wrote It Had to Be You
- It Had to Be You was written by Isham Jones