Kristofer Engelhardt to Bill Bixby in 9 Steps
- Kristofer Engelhardt wrote Beatles Undercover
- Beatles Undercover includes a chapter on Harry Nilsson
- Harry Nilsson wrote Courtship of Eddie's Father - Background Cues
- Courtship of Eddie's Father - Background Cues was published by Six Continents Music
- Six Continents Music published Eddie Makes Three
- Eddie Makes Three was published by Unichappell Music
- Unichappell Music published Gentlemen Friend
- Gentlemen Friend is heard in The Courtship of Eddie's Father
- The Courtship of Eddie's Father featured Bill Bixby