Typically the Chainsmokers just shared a pair of very-short clips of a song-in-progress featuring the vocal stylings of non-e other than Coldplay's Chris Martin.
Uhh, this can be the most perfect thing at any time. Martin sounds absolutely classy over the Chainsmokers' percussive guitar. Whether or not it's a total Coldplay crew thing or a alone Martin song, we can notify from the short clips shared that this is about to be a quickly pull made in mash-up heaven. Check The Chainsmokers Closer piano sheet music notes.