The Zürcher Kammeroper is set to present “Don Gregorio” The opera, which is rarely performed, will star Anna Gitschthaler, Judith Lüpold, Christoph Waltle, Valérian Bitschnau, Yves Brühwiler, Erich Bieri, Hartmut Kriszun, and Niklaus Rüegg. Caspar Dechmann conducts the production by Paul Suter. The work tells the story of a father who demands that his sons only get involved with women {…}