Decadence 2025 Lineup. Get the details for lineup, tickets and dates. Celebrating a ‘decade of decadence,’ the iconic new year’s eve music festival and arizona’s largest new year’s celebration boasts a lineup that includes armnhmr;.

Fans are encouraged to download the rb festivals app from the app store or google play to learn more about the lineup, schedule your favorite artists, explore activities,. Known as one of the biggest electronic dance music new years eve events, decadence will be bringing a lineup more stacked than ever for its two day extravaganza.