Opera Theater of Connecticut celebrates its 33rd anniversary with a production of Tosca at the air-conditioned Andrews Memorial Theater, 54 East Main Street, Clinton, sung by a cast of professional opera singers. A volatile diva, a sadistic police chief, and an idealist artist are featured in this triangle of love, political intrigue, and obsession.

Tosca opens on Tuesday, Aug. 7 at 7:30 p.m. followed by an opening night reception and continues on Thursday, Aug. 9 at 7:30 p.m., and Saturday, Aug. 11 at 7:30 p.m., with the final performance on Sunday, Aug. 12 at 6 p.m. The opera, sung in Italian, will feature Opera Theater of Connecticut’s English supertitles.