Alex Pall and Drew Taggart formed The Chainsmokers as an EDM DJ duo in 2012. They started out by making remixes of indie bands, before collaborating with Indian actress and recording artist Priyanka Chopra on the single "Erase," which was followed by "The Rookie" in early 2013.
The pair achieved breakthrough success with the single, "Selfie", released for free in December 2013, and eventually picked up by Dim Mak Records.
Their debut EP, Bouquet was released in October 2015 and featured the single "Roses", which reached the top 10 on the Billboard Hot 100. "Don't Let Me Down" became their first top 5 single and won the Grammy Award for Best Dance Recording at the 59th Grammy Awards, while "Closer", featuring vocals from Halsey, became their first number-one single on the chart.