Which has more acts, Anna Bolena or Pelléas et Mélisande?
Anna Bolena Anna Bolena is a tragic opera ("tragedia lirica") in two acts composed by Gaetano Donizetti. Felice Romani wrote the Italian libretto after Ippolito Pindemonte's "Enrico VIII ossia Anna Bolena" and Alessandro Pepoli's "Anna Bolena", both recounting the life of Anne Boleyn, the second wife of England's King Henry VIII.
Det sjungande trädet (opera) Det sjungande trädet ("The Singing Tree") Op.110 is an opera in two acts by the Finnish composer Erik Bergman. The Swedish-language libretto, based on a Swedish fairy tale, was written by Bo Carpelan. The opera premiered on 3 September 1995 at the Helsinki Opera House.