Open Your Window to Blackbird in 8 Steps

1. Open Your Window was written by Harry Nilsson
2. Harry Nilsson sang It's Only a Paper Moon
3. It's Only a Paper Moon was written by Edgar Yipsel Harburg
4. Edgar Yipsel Harburg was born on April 8
5. April 8 is the birthday of Julian Lennon
6. Julian Lennon appeared in a 1994 Public Service Announcement for Recording Artists, Actors, and Athletes Against Drunk Driving
7. Recording Artists, Actors, and Athletes Against Drunk Driving created a PSA featuring Paul McCartney
8. Paul McCartney wrote Blackbird

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