Vivian Roberts to Wilton Felder in 8 Steps
- Vivian Roberts recorded So Proud of You
- So Proud of You was written by John Marascalco
- John Marascalco wrote I Know
- I Know was written by Harry Nilsson
- Harry Nilsson was one of the Hollywood Vampires
- Hollywood Vampires was a celebrity drinking club that included John Lennon
- John Lennon executed the mix down for Bongo Rock '73
- Bongo Rock '73 features bass played by Wilton Felder