Demis Roussos to Michael Viner in 6 Steps
- Demis Roussos was born on June 15
- June 15 is the birthday of Harry Nilsson
- Harry Nilsson arranged Bongo Rock '73
- Bongo Rock '73 features bass played by Jerry Scheff
- Jerry Scheff played bass for Bongo Rock
- Bongo Rock was produced by Michael Viner