John Cowan to John and Yoko: A Love Story in 8 Steps

1. John Cowan recorded Don't Leave Me
2. Don't Leave Me was covered by Astrud Gilberto
3. Astrud Gilberto recorded The Puppy Song
4. The Puppy Song was covered by Victoria Williams
5. Victoria Williams was born on December 23
6. December 23 is the birthday of David Gillum
7. David Gillum is also known as David Gilliam
8. David Gilliam Played Harry Nilsson in John and Yoko: A Love Story

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