<P> `` Do n't Let Me Down '' is a song by American production duo The Chainsmokers . The song features the vocals of American singer Daya , and was released on February 5 , 2016 , through Disruptor Records and Columbia Records . The song was written by Andrew Taggart , Emily Warren and Scott Harris . It was released on March 22 , 2016 , as the radio single follow - up to `` Roses '' . </P>
who sings war do n 't let me down
American production duo The Chainsmokers vocals of American singer Daya