David T. Walker to Girlfriend in 7 Steps
- David T. Walker played guitar for Bongo Rock
- Bongo Rock was produced by Michael Viner
- Michael Viner produced Bongo Rock '73
- Bongo Rock '73 was arranged by Harry Nilsson
- Harry Nilsson sang Miss Butter's Lament
- Miss Butter's Lament was produced by Rick Jarrard
- Rick Jarrard produced Girlfriend