Love versus Duty: A Conversation about Mark Morris's 'Dido and Aeneas'. Queen Dido of Carthage is forsaken by her love, the Trojan Prince Aeneas, when he is reminded of his duty to establish a new city in Italy. From its origins in Greco-Roman myth, through Virgil's epic poem, to Henry Purcell's opera, the story of Dido and Aeneas, with its them...