Which opera has more acts, Le prophète or La scala di seta?
Le prophète Le prophète ("The Prophet") is a grand opera in five acts by Giacomo Meyerbeer. The French-language libretto was by Eugène Scribe and Émile Deschamps, after passages from the "Essay on the Manners and Spirit of Nations" by Voltaire. The plot is based on the life of John of Leiden, Anabaptist leader and self-proclaimed "King of Münster" in the 16th century.
Der Sturm (opera) Der Sturm (The tempest) is a German-language opera in three acts by the Swiss composer Frank Martin to a libretto based on the Schlegel/Tieck German translation of Shakespeare's play "The Tempest". It was premiered at the Vienna State Opera in 1955. The role of Prospero was originally conceived for Dietrich Fischer-Dieskau, but illness prevented him participating.