More bands have been added to the 2021 “Decibel Metal And Beer Fest” in Philadelphia, PA. That event will take place at The Fillmore on September 25-26 and the updated daily lineups can be found below: September 25: Napalm Death (“Harmony Corruption” and “Utopia Banished” set) Municipal Waste Deadguy (reunion set) Midnight Blood Incantation Eternal…