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.
Francesca da Rimini (Zandonai) Francesca da Rimini, Op. 4, is an opera in four acts, composed by Riccardo Zandonai, with libretto by Tito Ricordi, (1865–1933), after the play "Francesca da Rimini" by Gabriele d'Annunzio. It was premiered at the Teatro Regio in Turin on 19 February 1914, and is still staged occasionally.