Based on the novel Angelo, tyron de Padoue by Victor Hugo. ; Libretto by Arrigo Boito under the pseudonym of Tobia Gorrio. ; Includes music of the principal airs
Originally titled Almaviva, ossia L'inutile precauzione. ; Libretto by Cesare Sterbini, based on the comedy by Beaumarchais. ; Contains music of all the principal airs