Does Lucio Silla or Pelléas et Mélisande have more acts?
Lucio Silla: Lucio Silla (pronounced , ] ), K. 135, is an Italian opera in three acts composed by Wolfgang Amadeus Mozart. Pelléas et Mélisande (opera): Pelléas et Mélisande ("Pelléas and Mélisande") is an opera in five acts with music by Claude Debussy.
Pelléas et Mélisande