Which has more acts: Die Walküre or Cendrillon?
Die Walküre: Die Walküre (The Valkyrie), WWV 86B, is a music drama in three acts by Richard Wagner with a German libretto by the composer. Cendrillon: Cendrillon ("Cinderella") is an opera—described as a "fairy tale"—in four acts by Jules Massenet to a French libretto by Henri Caïn based on Perrault's 1698 version of the Cinderella fairy tale.
Cendrillon