Glen Campbell to Henry Diltz in 7 Steps
- Glen Campbell played guitar for Bongo Rock '73
- Bongo Rock '73 features bongos played by Perry Botkin
- Perry Botkin arranged the music for the first album by The Collage
- Collage recorded The Story Of Rock And Roll
- The Story Of Rock And Roll was covered by David Cassidy
- David Cassidy wrote This Could Be the Night
- This Could Be the Night was covered by Henry Diltz