"Così fan tutte" is an opera composed by Wolfgang Amadeus Mozart with a libretto by Lorenzo Da Ponte. Premiered in 1790, it is a comedic tale that explores themes of love, fidelity, and deception. The story revolves around two young men who, under the guise of foreign visitors, test the loyalty of their fiancées. The title translates to "Thus Do They All," reflecting the opera's exploration of human relationships and the complexities of romantic trust. The characters navigate a series of humorous and poignant situations, ultimately revealing the fickle nature of love and attraction.