Didn't think indie rock could be mixed with a classical symphony? Think again. Denver based indie-folk band, DeVotchKa, joins with, the Airborne Toxic Event, at Red Rocks Amphitheatre to accompany the Colorado Symphony. Mixing DeVotchKa’s gypsy punk sound and the Airborne Toxic Event’s alternative rock with the symphony, will create a rare musical collaboration you won’t want to miss. Thu 7 p.m.