Jim Horn to Gary Lewis and the Playboys in 1965. Since then, Jim Keltner has played drumsJoe Cocker in 9 Steps
- Jim Horn played sax for Loop de Loop
- Loop de Loop features bass played by Klaus Voormann
- Klaus Voormann played bass for Flash Harry
- Flash Harry includes piano played by Dr. John
- Dr. John played guitar for Aerial Pandemonium Ballet
- Aerial Pandemonium Ballet was recorded by Harry Nilsson
- Harry Nilsson wrote Mucho Mungo-Mt. Elga
- Mucho Mungo-Mt. Elga 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