Metallica and My Chemical Romance will headline the 2021 Aftershock festival.
The west coast's biggest rock festival will take place at Discovery Park in Sacramento, CA on October 7th, 8th, 9th, and 10th.
Metallica will perform two unique sets – one on Friday and one on Sunday – while My Chemical Romance will play on Saturday the 9th.
The lineup will also include Limp Bizkit, Rancid, The Offspring, Social Distortion, Rise Against, Volbeat, Machine Gun Kelly, Mastodon, Gojira, SEETHER, Parkway Drive and Hatebreed.