Ghost: The Abba of the metal world. Or as many metalheads would say: "metal." Musical debates about the authentic heaviness of Swedish outfit Ghost and its back-from-the-80s Satan-lite Halloween ...

At their June 18 set at Hellfest in Clisson, France, Ghost had to cut their set one song short because, as frontman Tobias Forge admitted onstage, his voice was "completely fucked." The 18-song set ...