Tchaikovsky’s final opera, “Iolanta,” sung in Russian with English supertitles, received a heartfelt and naturalistic production by the Chicago Opera Theater on November 11, 2018, at the Studebaker Theater in the Fine Arts Building, Chicago. With a libretto by the composer’s brother, Modest, “Iolanta” is a 85-minute opera with four scenes presented seamlessly in one act. It explores themes of {…}