Decadence is Colorado's largest indoor New Year's Eve festival on two stages for two nights! Decadence will take place rain, shine or snow. The Colorado Convention Center encourages you to have a SAFE and FUN experience. Dec 30 performers: Bassnectar, Beats Antique, Break Science, Keys N Krates, Late Night Radio, Bass Physics, Tiësto, Dada Life, NERVO, TJR, TRIAD DRAGONS, and TSA. NEW YEARS EVE - Dec 31st performers: Pretty Lights, Datsik, 12TH PLANET, Supervision, Paul Basic, ODESZA, Above & Beyond, BT, Pierce Fulton, ECOTEK, and DRAGON & JONTRO.