Richard Perry to Girlfriend in 9 Steps
- Richard Perry played percussion for Nilsson Schmilsson
- Nilsson Schmilsson includes piano played by Harry Nilsson
- Harry Nilsson sang Blackbird
- Blackbird was written by Paul McCartney
- Paul McCartney wrote Mother Nature's Son
- Mother Nature's Son was arranged by George Tipton
- George Tipton arranged As I Wander Lonely
- As I Wander Lonely was produced by Rick Jarrard
- Rick Jarrard produced Girlfriend