Which of the following operas is composed of five acts: Anna Bolena or Mireille?
Anna Bolena: Anna Bolena is a tragic opera ("tragedia lirica") in two acts composed by Gaetano Donizetti. Mireille (opera): Mireille is an 1864 opera in five acts by Charles Gounod to a French libretto by Michel Carré after Frédéric Mistral's poem "Mireio".
Mireille