Today, the Welcome To Rockville 2015 lineup was announced. Slipknot, Korn, and Godsmack are set to headline the festival that takes place on April 25-26 in Jacksonville, FL. Other featured acts include Marylin Manson, Slash, Ministry, Slayer, Papa Roach, Testament, In Flames, Of Mice & Men, Hatebreed, Fozzy, Motionless In White, Tremonti, The Pretty Reckless, Halestorm, Breaking Benjamin, and many more. Tickets go on sale tomorrow via WelcomeToRockville.com/Tickets. – by Matt Bishop