Which opera has more acts, Le prophète or La scala di seta?
La scala di seta La scala di seta (The Silken Ladder or Die seidene Leiter) is an operatic "farsa comica" in one act by Gioachino Rossini to a libretto by Giuseppe Maria Foppa. It was first performed in Venice, Italy, at the Teatro San Moisè on 9 May 1812. The overture has been frequently recorded and continues to be featured in the modern concert repertoire.
Loreley (opera) Loreley is an opera ("azione romantica") in three acts composed by Alfredo Catalani to a libretto by Angelo Zanardini, Carlo D'Ormeville and others. It premiered on 16 February 1890 at the Teatro Regio in Turin. Based on the German legend of the Lorelei, the opera is an extensive reworking of Catalani's four-act opera "Elda" which had premiered in Turin ten years earlier.