Dido and Aeneas, opera in three acts: Act 2, Scene 1. “The Queen of Carthage, whom we hate” (Sorceress) / “Ho, ho, ho” (chorus) / “Ruin'd ere the set of sun” (Witches, Sorceress) / “Ho, ho, ho” (chorus) / “But ere we this perform” (Witches) by René Falquet , Chœur de l'Opéra de Lausanne , Glenys Linos , Alexandra Papadjiakou , Tiziana Sojat , Ensemble Instrumental de Lausanne , Michel Corboz