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.
Hérodiade Hérodiade is an opera in four acts by Jules Massenet to a French libretto by Paul Milliet and Henri Grémont, based on the novella "Hérodias" (1877) by Gustave Flaubert. It was first performed at the Théâtre de la Monnaie in Brussels on 19 December 1881.