By Brandy McDonnellPRYOR - Slipknot, Five Finger Death Punch, Staind, Papa Roach, Halestorm, Anthrax, I Prevail, Alter Bridge and more will be among the top rock artists to play Rocklahoma 2020. Now in its 14th year, the three-day camping and music festival is set to take place on May 22-24 at Pryor Creek Music Festival Grounds in Pryor, just outside Tulsa, according to a news release.Produced by AEG Presents, Rocklahoma is billed as "America’s Biggest Memorial Day Weekend Party" and showcases both new rock acts and classic artists performing on three stages.