Aftershock 2024 Lineup Rumors Today. Slayer and pantera will headline on oct. — the festival’s full lineup was unveiled wednesday with eight headliners, doubling up on each of the event’s four days.
— the festival’s full lineup was unveiled wednesday with eight headliners, doubling up on each of the event’s four days. — lineup features motley crue, halestorm, slayer, slipknot, pantera, five finger death punch, evanescence, judas priest, iron maiden and more.