September 23 to Larry Knechtel in 7 Steps
- September 23 is the birthday of 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 produced by Derek Taylor
- Derek Taylor wrote liner notes for Aerial Ballet
- Aerial Ballet includes bass played by Larry Knechtel