(Credit: Jens Wegener) The Deutsche Oper am Rhein has announced its 2021-22 season. Here is the full slate. Opera Premieres Dorottya Láng and Bogdan Taloş star in Demis Volpi’s production of Béla Bartók’s “Bluebeard’s Castle” with Axel Kober conducting. Performance dates: Sep. 10 – Oct. 2, 2021 Mieczysław Weinberg’s opera “MaselTov!” spotlights Lavinia Dames, Kimberley Boettger-Soller, Anna Harvey, Sylvia Hamvasi, {…}