Perfect Day to Modern Folk Quartet in 8 Steps
- Perfect Day was sung by Harry Nilsson
- Harry Nilsson wrote Mexico City
- Mexico City was written 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 recorded This Could Be the Night
- This Could Be the Night was recorded by Modern Folk Quartet