Kristofer Engelhardt to Penfifteen Club in 8 Steps
- Kristofer Engelhardt wrote Beatles Undercover
- Beatles Undercover includes a chapter on Harry Nilsson
- Harry Nilsson wrote Cast And Crew
- Cast And Crew was produced by Rick Jarrard
- Rick Jarrard produced The Tree
- The Tree was published by Unichappell Music
- Unichappell Music published Best Friend
- Best Friend was covered by Penfifteen Club