(Credits: Badisches Staatstheater Karlsruhe official website / Malin Arnesson) The Göteborg Opera will premiere Wagner’s opera “Siegfried,”  the third installment of Gothenburg’s four-year Ring cycle project. Wagner’s famed masterwork will star Dan Karlström as Mime, Olafur Sigurdarson in the role of Alberich, Mats Almgren as Fafner, Hege Høisæter in the role of Erda, Sofie Asplund as the Woodbird, Ingela Brimberg {…}