Which has more acts, Die Walküre or La fille du régiment?
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. It is the second of the four works that form Wagner's cycle "Der Ring des Nibelungen" ("The Ring of the Nibelung").
Coups de roulis Coups de roulis is an opérette in three acts with music by André Messager and a French libretto by Albert Willemetz, based on the 1925 novel by Maurice Larrouy.