The Hindu Kush refers only to a strain of marijuana.
`` Until You Were Gone '' is a song by American DJ duos The Chainsmokers and Tritonal , featuring vocals from American singer Emily Warren .. The Chainsmokers. The Chainsmokers. Tritonal. Tritonal ( band ). Emily Warren. Emily Warren ( songwriter ). It is the fourth single from the former duo 's first EP Bouquet EP .. Bouquet. Bouquet ( EP ). Extended play. Bouquet EP. Bouquet ( EP ). The song was originally released on September 18 , 2015 .. The music video was released on November 23 , 2015 .. The song managed to peak at number 21 on the Billboard Dance / Electronic Songs chart , and number 55 on the 2016 Dance / Electronic Songs year-end chart .. Billboard. Billboard ( magazine ). Dance / Electronic Songs. Dance / Electronic Songs. The song is featured on the soundtrack for NHL 17 .. NHL 17. NHL 17