Blackbird to Unison Ad in 8 Steps
- Blackbird was written by Paul McCartney
- Paul McCartney wrote She's Leaving Home
- She's Leaving Home was written by John Lennon
- John Lennon married Yoko Ono
- Yoko Ono wrote Silver Horse
- Silver Horse was produced by Harry Nilsson
- Harry Nilsson sang One
- One is heard in Unison Ad