The Chainsmokers' 'All We Know' Sounds A Lot Like 'Closer'

The Chainsmokers have yet another song out, as the continue to release hits without stopping. This time, they've collaborated with Phoebe Ryan on "All We Know," a track about the innocence of young love and the tumultuous crumbling of a relationship that they're trying to hold together.

"This is all we know," Ryan and 'Smokers singer Andrew Taggart duet on the smooth, laidback track.