The annual heavy metal throwdown known as the Rockstar Energy Drink Mayhem Festival is making its way through Phoenix this week, and things are about to get heated. This year's lineup is one of the festival's best, with heavyweights Rob Zombie, Five Finger Death Punch, Machine Head, and Mastodon. But if you're attending, it's best to keep in mind that some of the must-see performances will be by a handful of gorgeous, unrelenting, and face-melting heavy-metal-chick-fronted bands: Butcher... More >>>