Mac Rebennack to Gary Lewis and the Playboys in 1965. Since then, Jim Keltner has played drumsJoe Cocker in 12 Steps
- Mac Rebennack is also known as Dr. John
- Dr. John played piano for Shuffle Off to Buffalo
- Shuffle Off to Buffalo was sung by Harry Nilsson
- Harry Nilsson sang You're Breakin' My Heart
- You're Breakin' My Heart was published by Blackwood Music
- Blackwood Music published The End (Moonbeam)
- The End (Moonbeam) was produced by Ringo Starr
- Ringo Starr sang Lady Gaye
- Lady Gaye features guitar played by Jesse Ed Davis
- Jesse Ed Davis played guitar for Subterranean Homesick Blues
- Subterranean Homesick Blues features drums played by Jim Keltner
- Jim Keltner played drums for Gary Lewis and the Playboys in 1965. Since then, Jim Keltner has played drumsJoe Cocker