Reunion to Donna I Understand in 9 Steps
- Reunion recorded Life is a Rock
- Life is a Rock is included in Nipper's Greatest Hits - The 70's
- Nipper's Greatest Hits - The 70's includes Without You
- Without You was produced by Richard Perry
- Richard Perry produced Goodnight Vienna
- Goodnight Vienna was recorded by Ringo Starr
- Ringo Starr sang Only You
- Only You has backing vocals by Harry Nilsson
- Harry Nilsson sang Donna I Understand