Which opera has more acts, Riders to the Sea or Lucio Silla?
Lucio Silla Lucio Silla (pronounced , ] ), K. 135, is an Italian opera in three acts composed by Wolfgang Amadeus Mozart. The libretto was written by Giovanni de Gamerra.
Batavia (opera) Batavia is an opera in three acts and a prologue by Richard Mills to a libretto by Peter Goldsworthy,