Desc: Così fan tutte: Directed by Jean-Pierre Ponnelle. With Edita Gruberova, Delores Ziegler, Teresa Stratas, Ferruccio Furlanetto. Ferrando and Guglielmo boast about the beauty and virtue of their girls, the sisters Fiordiligi and Dorabella. The cynical Don Alfonso proposes a wager. He will prove to them that the sisters are unfaithful, like all other women.