David Sontag to Don Coster in 6 Steps
- David Sontag helped Hugh Hefner create Playboy After Dark
- Playboy After Dark aired an episode where Hugh Hefner interviews Harry Nilsson
- Harry Nilsson arranged Bongo Rock
- Bongo Rock was produced by Michael Viner
- Michael Viner produced Bongo Rock '73
- Bongo Rock '73 was arranged by Don Coster