As the duo releases their latest album, 'So Far So Good,' revisit the impact of their GRAMMY-winning smash, "Don't Let Me Down."

After their career started with an ironic hit, the Chainsmokers solidified themselves as dance hitmakers in 2016 with the eruptive hit "Don’t Let Me Down." It's a single that belonged as much on a festival set list as it did in the darkest electro-trap club floors, and it earned the Chainsmokers their first GRAMMY win for Best Dance Recording in 2017. It begs the question: How did they pull that off?