Subtitled “The School for Lovers,” this beloved Mozart comedy is a probing look into romantic relationships. It starts out with a cynical philosopher’s bet that two beautiful young women can’t remain faithful to their fiancés for 24 hours. As the intrigue deepens, the young women’s affections—and those of the young men—move into a new place that’s risky and scary. The couples’ feelings reveal themselves through the sheer genius of Mozart and his brilliant librettist, Da Ponte. Così fan tutte is the epitome of sophisticated, thought-provoking entertainment.