Three young Norwegian women form a coven and start the black metal band Witch Club Satan. They don’t know how to play music, but they paint their faces and grab instruments, and before long, they are playing at major international festivals. But the battle has only just begun. No, that wasn’t the pitch for a fiction feature film. It is the real-life story of Nikoline, Victoria, and Johanna, which director and cinematographer Maja Holand tells us in the feature documentary Hex, which celebrates its international premiere at the Thessaloniki Documentary Festival on Friday and next hits CPH:DOX, the Copenhagen International Documentary Film Festival. In Norway’s macabre, male-dominated black metal scene, the new female, and feminist, stars face criticism, opposition and other challenges, press notes highlight. But by trying to tap into witches’ power, they scream and shout like hell to shake up the world by bringing the noise and show their raw and often hidden powers as women. Cat&Docs is handling sales on Hex, which was produced by Mari Nilsen Neira and edited by Holand and …