On September 13-14, the Monster Energy Drink Aftershock Festival is set to rock Southern California. This year, Rob Zombie, Godsmack, Limp Bizkit, Weezer, The Offspring and Five Finger Death Punch are set to headline, along with performances from AWOLNATION, Rise Against, Chevelle, Mastodon, Black Label Society, Memphis May Fire, Otherwise, Seether, Black Stone Cherry, Theory of a Deadman, New Medicine, Hellyeah, and...