Lamb Of God performs at Concord Pavilion in Concord, Calif. on Sept. 2, 2021. Nathan McKinley/STAFF. CONCORD, Calif. — Lamb of God and Megadeth brought their Metal Tour of the Year to the Concord Pavilion on Thursday, where headbanging and battle vests were the order of the day. Concord, specifically, may not…

Back in the late ’90s, Hatebreed was innovative and bordering on groundbreaking. By performing heavy metal within the boundaries of hardcore punk, the Connecticut band helped set the template of the dominant form of metal in the early ’00s. Others had done the same but it remains a pillar…