The Metropolitan Opera has announced a cast change for its opening night of “Lady Macbeth of Mtsensk.” The company said that Irina Rindzuner would sing the role of the Convict making her Met debut. She will replace Marcy Stonikas. Rindzuner is an American dramatic soprano who is well-known for her interpretation of “Turandot” which she has sung 84 times in {…}