BOO Arizona is making its return to WestWorld in Scottsdale this Halloween weekend, with Insomniac dropping the Phase 1 lineup for the festival’s first Arizona edition since 2019. The two-day event runs October 30–31, 2026.
The initial lineup spans a wide range of the electronic music spectrum. Confirmed acts include Mexican-American artist Deorro, dubstep artist Level Up, Australian hard dance act Restricted, GRAMMY-winning duo The Chainsmokers, and multi-platinum producer Zedd. Additional names are still to come.
The festival will spread across two stages and feature haunted mansion-themed production — fitting for a…





