Dido and Aeneas, opera in three acts: Act 1. “Grief increases by concealing” (Belinda, Dido) / “When monarks unite, how happy their state” (chorus) / “Whence could so much virtue spring” (Dido, Belinda) by René Falquet , Teresa Berganza , Danielle Borst , Chœur de l'Opéra de Lausanne , Ensemble Instrumental de Lausanne , Michel Corboz