The Tree to Nipper's Greatest Hits-The 60's Volume 2 in 9 Steps
- The Tree was published by Unichappell Music
- Unichappell Music published Maybe
- Maybe was covered by The Kojacks
- The Kojacks recorded Are You Sleeping?
- Are You Sleeping? was written by Harry Nilsson
- Harry Nilsson sang Sixteen Tons
- Sixteen Tons was recorded by Lorne Greene
- Lorne Greene recorded a song called Ringo
- Ringo is a song sung by Lorne Greene which is a part of the album Nipper's Greatest Hits-The 60's Volume 2
