It is hard to not give this venerable institution founded 1773 a top mark; it’s the stage where La Nilsson, Jussi Björling, Nina Stemme, Nicolai Gedda, Jenny Lind, Christina Nilsson, Elisabeth Söderström, Anne Sofie von Otter, Sixten Ehrling, and Anneli Alhanko have performed. The Royal Opera is the Swedish…
