Mac Rebennack to October 2 in 12 Steps
- Mac Rebennack is also known as Dr. John
- Dr. John played keyboards for ...That's the Way It Is
- ...That's the Way It Is includes cello played by Armand Kaproff
- Armand Kaproff played cello for The Point!
- The Point! includes guitar played by Al Casey
- Al Casey played guitar for Aerial Ballet
- Aerial Ballet includes piano played by Michael Melvoin
- Michael Melvoin played piano for Aerial Pandemonium Ballet
- Aerial Pandemonium Ballet was recorded by Harry Nilsson
- Harry Nilsson wrote Skidoo
- Skidoo starred Groucho Marx
- Groucho Marx was born on October 2