Barbra Streisand to Julian Lennon in 6 Steps
- Barbra Streisand was born in Brooklyn, New York
- Brooklyn, New York is the birthplace of Harry Nilsson
- Harry Nilsson sang Blackbird
- Blackbird was written by Paul McCartney
- Paul McCartney 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 Julian Lennon