Which opera had more acts, Das Liebesverbot or Lucia di Lammermoor?
Lucia di Lammermoor Lucia di Lammermoor is a "dramma tragico" (tragic opera) in three acts by Gaetano Donizetti. Salvadore Cammarano wrote the Italian-language libretto loosely based upon Sir Walter Scott's historical novel "The Bride of Lammermoor".
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.