Perry Botkin to The World Is Coming To An End in 9 Steps
- Perry Botkin wrote Mexico City
- Mexico City was written by Harry Nilsson
- Harry Nilsson sang Silver Horse
- Silver Horse features saxophone played by Bobby Keys
- Bobby Keys played sax for Too Many Cooks
- Too Many Cooks was produced by John Lennon
- John Lennon produced The Flying Saucer Song
- The Flying Saucer Song was published by Blackwood Music
- Blackwood Music published The World Is Coming To An End