That'll Be the Day to Family Tree in 10 Steps
- That'll Be the Day stars Ringo Starr
- Ringo Starr produced Harry's Song
- Harry's Song was written by Mark Hudson
- Mark Hudson attended the funeral of Harry Nilsson
- Harry Nilsson wrote Marchin' Down Broadway
- Marchin' Down Broadway was published by Six Continents Music
- Six Continents Music published Miss Butter's Lament
- Miss Butter's Lament was written by Joseph Segarini
- Joseph Segarini is also known as Bob Segarini
- Bob Segarini was a member of Family Tree