Two operas with classical themes. SALAMMBO by Camille du Locle is based on Gustave Flaubert's well-known novel of the same name. The story is set in Carthage after the First Punic War, when mercenaries hired by the state revolt for lack of payment. The leader of the insurrectionists, Matho, falls in love with Salammbo, daughter of General Hamilcar--and this obsession leads ultimately to his destruction. DIDO, by Jean-Francois Marmontel, is one of the best modern dramatizations of the great love story recounted by Virgil in his epic poem, The Aeneid. The Trojan prince Aeneas, who has sought...