Which opera has more acts, The Bassarids or Don Quichotte?
Don Quichotte Don Quichotte ("Don Quixote") is an opera in five acts by Jules Massenet to a French libretto by Henri Caïn. It was first performed on 19 February 1910 at the Opéra de Monte-Carlo.
I due Foscari I due Foscari ("The Two Foscari") is an opera in three acts by Giuseppe Verdi to an Italian libretto by Francesco Maria Piave, based on a historical play, "The Two Foscari" by Lord Byron.