Unichappell Music to April 12 in 9 Steps
- Unichappell Music published Mr. Tinker
- Mr. Tinker was published by Six Continents Music
- Six Continents Music published Poli High
- Poli High was arranged by George Tipton
- George Tipton arranged River Deep-Mountain High
- River Deep-Mountain High was written by Phil Spector
- Phil Spector wrote This Could Be the Night
- This Could Be the Night was written by David Cassidy
- David Cassidy was born on April 12