Bongo Rock '73 to Richard S. Willis in 6 Steps
- Bongo Rock '73 features bass played by Jerry Scheff
- Jerry Scheff played bass for Bongo Rock
- Bongo Rock was arranged by Harry Nilsson
- Harry Nilsson is a cousin of Doug Hoefer
- Doug Hoefer produced It Came Upon a Midnight Clear
- It Came Upon a Midnight Clear was written by Richard S. Willis