Jeff Porcaro to The Tree in 9 Steps
- Jeff Porcaro played drums for Joe Cocker's recording of Don't Forget Me
- Don't Forget Me was produced by John Lennon
- John Lennon 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 River Deep-Mountain High
- River Deep-Mountain High was sung by Harry Nilsson
- Harry Nilsson wrote The Tree