<prompt> Qedela umusho olandelayo: NgoMeyi 21, 2017, iThe Chainsmokers yenza i-Young  <response>: Imiklomelo Yomculo Billboard ka-2017. Baphinde badlala le ngoma ku-2017 Jingle Bell Ball e-The O2 Arena eLondon ngeSonto 10 Disemba 2017. 