Albert Einstein to Mary Hopkin in 6 Steps
- Albert Einstein is the birth name of Albert Brooks
- Albert Brooks was friends with Harry Nilsson
- Harry Nilsson appeared in a 1994 Public Service Announcement for Recording Artists, Actors, and Athletes Against Drunk Driving
- Recording Artists, Actors, and Athletes Against Drunk Driving created a PSA featuring Paul McCartney
- Paul McCartney produced Mary Hopkin's recording of The Puppy Song
- The Puppy Song by Mary Hopkin features guitar played by Mary Hopkin