Between Pelléas et Mélisande and Riders to the Sea, which one has more acts?
Pelléas et Mélisande (opera) Pelléas et Mélisande ("Pelléas and Mélisande") is an opera in five acts with music by Claude Debussy. The French libretto was adapted from Maurice Maeterlinck's Symbolist play "Pelléas et Mélisande". It premiered at the Opéra-Comique in Paris on 30 April 1902 with Jean Périer as Pelléas and Mary Garden as Mélisande in a performance conducted by André Messager, who was instrumental in getting the Opéra-Comique to stage the work. The only opera Debussy ever completed, it is considered a landmark in 20th-century music.
Little Christopher Columbus Little Christopher Columbus is a burlesque opera in two acts, with music by Ivan Caryll and Gustave Kerker and a libretto by George R. Sims and Cecil Raleigh. It opened on 10 October 1893 at the Lyric Theatre in London and then transferred to Terry's Theatre, running for a total of 421 performances, which was a very successful run at the time. May Yohé created the title role, and Furneaux Cook and E. J. Lonnen were in the cast. Mabel Love, Geraldine Ulmar and Florence St. John joined the cast as replacements.