Decadence Arizona announces 2025 lineup featuring GRiZ, Kaskade, Knock2, Sara Landry and more’Tis the season for New Year’s Eve lineup drops, and Decadence Arizona just delivered one of the biggest of the year. On December 30–31, dance music fans will gather at Phoenix Raceway in Avondale, Arizona, to ring in the New Year with some of the biggest names in the scene. This year’s theme may be The Portal of I11usions, but the lineup is no illusion—it’s stacked. Relentless Beats is celebrating the 11th year of Decadence Arizona, returning this December to Phoenix Raceway just as they did for last year’s 10th anniversary. Signup for presale now at the Decadence Arizona website.