The World Is Coming To An End to Mexico City in 11 Steps
- The World Is Coming To An End was published by Blackwood Music
- Blackwood Music published Ambush
- Ambush was sung by Harry Nilsson
- Harry Nilsson wrote Little Cowboy
- Little Cowboy was published by Six Continents Music
- Six Continents Music published The Puppy Song
- The Puppy Song was recorded by David Cassidy
- David Cassidy recorded The Story Of Rock And Roll
- The Story Of Rock And Roll was covered by Collage
- The Collage has songs arranged by Perry Botkin
- Perry Botkin wrote Mexico City