Lennie Niehaus to Won in 21 Steps
- Lennie Niehaus arranged Zip-A-Dee-Doo-Dah
- Zip-A-Dee-Doo-Dah features guitar played by Fred Tackett
- Fred Tackett played guitar for Back Off Boogaloo
- Back Off Boogaloo features drums played by Ringo Starr
- Ringo Starr played drums for Lady Gaye
- Lady Gaye features guitar played by Danny Kortchmar
- Danny Kortchmar played guitar for Good For God
- Good For God features bass played by Klaus Voormann
- Klaus Voormann played bass for Son of Schmilsson
- Son of Schmilsson includes percussion played by Milt Holland
- Milt Holland played percussion for Aerial Ballet
- Aerial Ballet includes violin played by Arnold Belnick
- Arnold Belnick played violin for ...That's the Way It Is
- ...That's the Way It Is includes saxophone played by Jim Horn
- Jim Horn played sax for Loop de Loop
- Loop de Loop features guitar played by Danny Kootch
- Danny Kootch played guitar for All My Life
- All My Life was written by Harry Nilsson
- Harry Nilsson wrote Cow's Wrong
- Cow's Wrong was written by Richard Greentree
- Richard Greentree wrote Won