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Nameless Ghoul of Ghost performs at the Louder Than Life Festival on Sunday, Oct. 2, 2016, in Louisville, Ky. (Photo by Amy Harris Papa Emeritus III of Ghost performs on day 2 at Lollapalooza in Grant Park on Friday, July 29, 2016, in Chicago. (Photo by Rob Gra Nameless Ghoul of Ghost performs at the Louder Than Life Festival on Sunday, Oct. 2, 2016, in Louisville, Ky. (Photo by Amy Harris Papa Emeritus III of the band Ghost performs in concert during Day 2 of the Rock Allegiance Festival at Talen Energy Stadium on Su Papa Emeritus III of Ghost performs at the Louder Than Life Festival on Sunday, Oct. 2, 2016, in Louisville, Ky. (Photo by Amy Har Papa Emeritus, right, of the Swedish heavy metal band Ghost performs during the Hell and Heaven 2016 metal music festival in Mexic Nameless Ghoul Water of Ghost performs at the Louder Than Life Festival on Sunday, Oct. 2, 2016, in Louisville, Ky. (Photo by Amy