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.
Loreley (opera) Loreley is an opera ("azione romantica") in three acts composed by Alfredo Catalani to a libretto by Angelo Zanardini, Carlo D'Ormeville and others. It premiered on 16 February 1890 at the Teatro Regio in Turin. Based on the German legend of the Lorelei, the opera is an extensive reworking of Catalani's four-act opera "Elda" which had premiered in Turin ten years earlier.