Much of the music industry hibernates through winter, but Colorado doesn’t seem to care. Year after year, the list of winter-time Red Rocks shows and full-blown outdoor music festivals seems to grow, even though phones freeze up when it gets too cold, so none of your friends can even see how cool you look flossing along to your favorite blue-jam-electronica-grass remixes. We rounded up seven notable outdoor music events going down in cool Colorado before the temperature rises. RELATED: WIN TICKETS TO SEE LIL WAYNE, THE CHAINSMOKERS AND OTHERS AT THE X GAMES 1.