Robert Sherman to March 15 in 12 Steps
- Robert Sherman wrote You're Sixteen
- You're Sixteen features drums played by Jim Keltner
- Jim Keltner played drums for All My Life
- All My Life was produced by John Lennon
- John Lennon married Yoko Ono
- Yoko Ono wrote Never Say Goodbye
- Never Say Goodbye was produced by Harry Nilsson
- Harry Nilsson produced The End (Moonbeam)
- The End (Moonbeam) was produced by Ringo Starr
- Ringo Starr recorded Ringo's Rotogravure
- Ringo's Rotogravure was produced by Arif Mardin
- Arif Mardin was born on March 15