How I Wrote That Song: The Chainsmokers "Don't Let Me Down"

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Andrew and Alex of The Chainsmokers hung out backstage to share the story of how a new electric guitar inspired "Don't Let Me Down" and how they almost lost the song to a computer crash.

Tags: The Tonight Show, Jimmy Fallon, How I Wrote That Song, The Chainsmokers, "Don't Let Me Down"
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