I don’t know about you, but when it comes to classical music, I’m very happy to put summer 2023 to rest. The conductor John Eliot Gardiner allegedly punched a singer last month in France;he’s since withdrawn from his remaining performances this year. (That included one Chicago appearance, at Harris Theater in October.) The Leonard Bernstein biopic was so roundly accused of antisemitism that the Bernstein children, in support, released an official family statement on the size of their father’s nose. And in news that’s less “Jerry Springer” than it is just sad, New York’s Metropolitan Opera Guild is shuttering, taking...