J’Nai Bridges, left, and Julia Bullock in the Metropolitan Opera’s production of “El Niño,” directed by Lileana Blain-Cruz, in New York, April 17, 2024. The opera-oratorio, an alternate Nativity story, featured a flurry of Met debuts, including the director Lileana Blain-Cruz and the conductor Marin Alsop. (Sara Krulwich/The New York Times)