Which opera had more acts, Das Liebesverbot or Lucia di Lammermoor?
Lucia di Lammermoor Lucia di Lammermoor is a "dramma tragico" (tragic opera) in three acts by Gaetano Donizetti. Salvadore Cammarano wrote the Italian-language libretto loosely based upon Sir Walter Scott's historical novel "The Bride of Lammermoor".
Leben des Orest Leben des Orest ("The Life of Orestes") is a grand opera in five acts (eight scenes) with words and music both by Ernst Krenek. It is his Op. 60 and the first of his own libretti with an antique setting. The score is inscribed with the dates of composition: 8 August 1928 – 13 May 1929, and includes indications of recommended cuts made for the first production. It premiered at the Neues Theater in Leipzig on 19 January 1930, and opened at the Kroll Opera House in Berlin in early March of the same year (Leichtentritt 1930, 366).