Which has more acts, Hans Heiling or La favorite?
La favorite La Favorite (The Favourite, sometimes referred to by its Italian title: La favorita) is a grand opera in four acts by Gaetano Donizetti to a French-language libretto by Alphonse Royer and Gustave Vaëz, based on the play "Le comte de Comminges" by Baculard d'Arnaud. It premiered on December 2, 1840 at the Académie Royale de Musique (Salle Le Peletier) in Paris, France.
La Rose, la violette et le papillon La Rose, la violette et le papillon ("The Rose, the Violet, and the Butterfly") is a ballet "divertissement" in one act, with choreography by Marius Petipa, and music by Duke Peter Georgievich of Oldenburg. The libretto was by Jules Perrot.