CONTRIBUTED PHOTOThe Chainsmokers, 7 p.m. Aug. 2, Wind Creek Steel Stage, Musikfest. The duo, Alex Pall and Drew Taggart, combines indie, progressive and pop genres. In 2016, the group catapulted to worldwide stardom with “Roses,” featuring Rozes, from the Gold-certified debut EP , “Bouquet,” which went to No. 1 on Billboard's Top Dance & Electronic Albums chart. “Don't Let Me Down,” featuring Copyright - Danilo Lewis