By Brandy McDonnellOne of heavy metal’s all-time greats, Judas Priest will be celebrating their 50th anniversary this year with a world tour coming to the United States in the fall. "The 50 Heavy Metal Years Tour" will feature Sabaton as openers and is being fueled by the highest-charting album of Priest’s career," Firepower," which peaked at No.Read more on NewsOK.com