Underoath - Define the Great Line 20th Anniversary Tour

Underoath - Define the Great Line 20th Anniversary Tour, with August Burns Red, Atreyu, Emery at The Fillmore Philadelphia in Philadelphia, PA on Tuesday, December 1, 2026. Category: Music · Rock, Pop. This is an All Ages Event. Doors open at 5:30 PM. All support acts are subject to change without notice. 🎟️ Tickets & details: https://www.ticketmaster.com/underoath-define-the-great-line-20th-philadelphia-pennsylvania-12-01-2026/event/020064C284527854 NearbyGrid lists this public event for discovery only, we do not host, organize, or sell tickets for it. Tickets and full details (including any changes to date, time, lineup, or price) are on the official listing. Always confirm there before you go.