Are Béatrice et Bénédict and Les pêcheurs de perles both operas?
Béatrice et Bénédict Béatrice et Bénédict ("Beatrice and Benedick") is an opéra comique in two acts by Hector Berlioz. Berlioz wrote the French libretto himself, based closely on Shakespeare's "Much Ado About Nothing".
L'écume des jours (opera) L'écume des jours (English: "The Foam of Days") is an opera in three acts (14 scenes) by the Russian composer Edison Denisov. The French (also German and Russian) text is by the composer based on the novel of the same title by Boris Vian. It was composed in 1981.