Sully Sullenberger to I Know Why in 7 Steps

1. Sully Sullenberger was the captain of US Airways Flight 1549
2. US Airways Flight 1549 passengers included David Sontag
3. David Sontag helped Hugh Hefner create Playboy After Dark
4. Playboy After Dark aired an episode where Hugh Hefner interviews Harry Nilsson
5. Harry Nilsson sang Shuffle Off to Buffalo
6. Shuffle Off to Buffalo was written by Harry Warren
7. Harry Warren wrote I Know Why

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