Which had more acts: Il matrimonio segreto or Pelléas et Mélisande?
Il matrimonio segreto Il matrimonio segreto ("The Secret Marriage") is an opera in two acts, music by Domenico Cimarosa, on a libretto by Giovanni Bertati, based on the play "The Clandestine Marriage" by George Colman the Elder and David Garrick. It was first performed on 7 February 1792 at the Imperial Hofburg Theatre in Vienna in the presence of Emperor Leopold II.
L'enfant prodigue (Auber) L'enfant prodigue ("The Prodigal Son") is a grand opera in five acts composed by Daniel Auber to a French libretto by Eugène Scribe based on the Parable of the Prodigal Son in Chapter 15 of the Gospel of Luke. It was first performed at the Théâtre de l'Académie Nationale de Musique in Paris on 6 December 1850. The role of Azaël (the prodigal son of the title) was sung in the premiere by the celebrated French tenor, Gustave-Hippolyte Roger, (1815-1879).