Operas completed by others

thumb|Libretto, 1926 Turandot ( ; see below) is an opera in three acts by Giacomo Puccini to a libretto in Italian by Giuseppe Adami and Renato Simoni. Puccini died in 1924, and his opera was left unfinished. The music was completed by Franco Alfano and premiered on 25 April 1926, almost a year and a half after Puccini's death. The opera is set in China and follows the Prince Calaf, who falls in love with the cold-hearted Princess Turandot. In order to win her hand in marriage, a suitor must solve three riddles, with a wrong answer resulting in his execution. Calaf passes the test, but Turando

opéra fantastique by Jacques Offenbach

opera by Alexander Borodin

Khovanshchina (, sometimes rendered The Khovansky Affair) is an opera (subtitled a 'national music drama') in five acts by Modest Mussorgsky. The work was written between 1872 and 1880 in St. Petersburg, Russia. The composer wrote the libretto based on historical sources. The opera was almost finished in piano score when the composer died in 1881, but the orchestration was almost entirely lacking.

unfinished opera by Alban Berg

operetta by Johann Strauss II

Opera by Alexander Dargomyzhsky

'''''L'Africaine''' (The African Woman) is an 1865 French grand opéra in five acts with music by Giacomo Meyerbeer and a libretto by Eugène Scribe. Meyerbeer and Scribe began working on the opera in 1837, using the title L'Africaine, but around 1852 changed the plot to portray fictitious events in the life of the Portuguese explorer Vasco da Gama and introduced the working title Vasco de Gama'', the French version of his name. The copying of the full score was completed the day before Meyerbeer died in 1864.

opera by Modest Mussorgsky

opera by Arnold Schoenberg

opera by Sergei Prokofiev

opera by Carl Maria von Weber

opera by Modest Mussorgsky

unfinished opera by Dmitri Shostakovich

opera by Ferruccio Busoni

Guercœur is an opera in three acts by the French composer Albéric Magnard to his own libretto. It was first performed posthumously at the Paris Opéra on 24 April 1931, though it had mostly been written between 1897 and 1901. The music shows the influence of Wagner.

Zhenitba (, ''Zhenit'ba, Marriage'') is an unfinished opera begun in 1868 by Modest Mussorgsky to his own libretto based on Nikolai Gogol's comedy Marriage. This 1842 play is a satire of courtship and cowardice, which centres on a young woman, Agafya, who is wooed by four bachelors, each with his own idiosyncrasies.

opera in four acts by Arrigo Boito

opera by Manuel de Falla

opera by Georges Bizet

thumb|upright=1.22|Frontispiece for the vocal score by Paul Steck, 1895

opera by Rachmaninoff

unfinished opera by Claude Debussy