April 12 to All My Life in 9 Steps
- April 12 is the birthday of David Cassidy
- David Cassidy recorded The Story Of Rock And Roll
- The Story Of Rock And Roll was recorded by Collage
- The Collage has songs arranged by Perry Botkin
- Perry Botkin played bongos for Bongo Rock '73
- Bongo Rock '73 features drums played by Ed Greene
- Ed Greene played drums for Bongo Rock
- Bongo Rock was arranged by Harry Nilsson
- Harry Nilsson wrote All My Life