Which opera has more acts, Faust or Mignon?
Mignon Mignon is an "opéra comique" (or opera in its second version) in three acts by Ambroise Thomas. The original French libretto was by Jules Barbier and Michel Carré, based on Goethe's novel "Wilhelm Meisters Lehrjahre". The Italian version was translated by Giuseppe Zaffira. The opera is mentioned in James Joyce's "The Dead" ("Dubliners") and Willa Cather's "The Professor's House". Thomas's goddaughter Mignon Nevada was named after the main character.
Ritter Blaubart Ritter Blaubart ("Knight Bluebeard") is a fairy-tale opera (German: "Märchenoper") in three acts by the Austrian composer Emil Nikolaus von Reznicek. Herbert Eulenberg wrote the German libretto, based on his own five-act play with the same title, which had been first performed unsuccessfully at the Lessing Theater in Berlin in 1906.