The Royal Swedish Opera in Stockholm announced the company’s 2019-20 season which will include a German rarity, the company premiere of a Leonard Bernstein operetta and the return of a Wagner opera. As usual, the company invites an impressive group of conductors that will comprise Jean-Christophe Spinosi, Alan Gilbert, Constantin Trinks, John Fiore, and Domingo Hindoyan. Here is the lineup: {…}