Which opera has more acts, Faust or Mignon?
Faust (opera) Faust is a grand opera in five acts by Charles Gounod to a French libretto by Jules Barbier and Michel Carré from Carré's play "Faust et Marguerite", in turn loosely based on Johann Wolfgang von Goethe's "Faust, Part One". It debuted at the Théâtre Lyrique on the Boulevard du Temple in Paris on 19 March 1859, with influential sets designed by Charles-Antoine Cambon and Joseph Thierry, Jean Émile Daran, Édouard Desplechin, and Philippe Chaperon.
Maître Péronilla Maître Péronilla is an opéra bouffe in three acts of 1878 with music by Jacques Offenbach. The French libretto was by the composer with Charles-Louis-Étienne Nuitter and Paul Ferrier.