Robin Hood Music Co. to Unison Ad in 8 Steps
- Robin Hood Music Co. published All For The Beatles
- All For The Beatles was written by Harry Nilsson
- Harry Nilsson wrote Ten Little Indians
- Ten Little Indians was published by Six Continents Music
- Six Continents Music published The Tree
- The Tree was published by Unichappell Music
- Unichappell Music published One
- One is heard in Unison Ad