It Had to Be You to Richard Nash in 9 Steps
- It Had to Be You was written by Gus Kahn
- Gus Kahn wrote Makin' Whoopee!
- Makin' Whoopee! was written by Walter Donaldson
- Walter Donaldson wrote Makin' Whoopee
- Makin' Whoopee was produced by Derek Taylor
- Derek Taylor wrote liner notes for Aerial Ballet
- Aerial Ballet includes violin played by Tibor Zelig
- Tibor Zelig played violin for ...That's the Way It Is
- ...That's the Way It Is includes trombone played by Richard Nash