(Credit: Curtis Opera Theatre) On November 6, 2021, the Curtis Opera Theatre presented the premiere of “MERCY,” a filmed reimagining of Mozart’s “La Clemenza di Tito.” This new version, by co-writers and co-directors Chas Rader-Shieber and Alek Shrader, uses a re-orchestrated score and cinematography to create an innovative experience. Singers from the Curtis Opera Theatre were accompanied by a small {…}