David Mackay to American Flu in 7 Steps
- David Mackay wrote The Beggar
- The Beggar was sung by Harry Nilsson
- Harry Nilsson wrote Angie's Suite
- Angie's Suite was published by Six Continents Music
- Six Continents Music published Courtship of Eddie's Father - Background Cues
- Courtship of Eddie's Father - Background Cues was published by EMI Hastings Catalog Inc.
- EMI Hastings Catalog Inc. published American Flu