Question: What genre of musical theatre was the final sonata composed by a popular Italian-born British composer, pianist, pedagogue, conductor, music publisher, editor, and piano manufacturer titled after?
Context: Muzio Filippo Vincenzo Francesco Saverio Clementi (23 January 1752 – 10 March 1832) was an Italian-born British composer, pianist, pedagogue, conductor, music publisher, editor, and piano manufacturer. The Piano Sonata No. 1 of Carl Vine was composed in 1990 and dedicated to Australian pianist Michael Kieran Harvey, who made the debut recording of the sonata under the Tall Poppies label in 1991.  The first printed edition, under the label Chester Music, bears the following description: "A complex and challenging piano sonata composed by Carl Vine for the Sydney Dance Company in 1991.  The piece was first performed by Michael Harvey in North Melbourne in June 1991.  The music is full of rich chordal movements, unusual flowing harmonies and tonalities, with great extremes of dynamic and energy.  Reflecting the physical origins of the piece as a dance, the music is dotted with very strict changes of tempo which require exact adherence, rather than the Rubato approach that typifies many piano interpretations."  The work is in two movements, the second of which bears the marking "Leggiero e legato". Hermann Zilcher (born August 18, 1881 in Frankfurt am Main; † 1 January 1948 in Würzburg) was a German composer, pianist, conductor and music teacher.  He was the father of actress Eva Zilcher (1920-1994) and the conductor Heinz Reinhart Zilcher (1906-1967). Zilcher received early piano lessons from his father, the composer and piano pedagogue Paul Zilcher (1855-1943), who was known as a composer of didactic piano and chamber music.  The son studied from 1897 at the Dr. Hoch Conservatory in Frankfurt, piano with James Kwast, counterpoint and morphology with Iwan Knorr and composition with Bernhard Scholz.  At graduation he was awarded the Mozart Prize.  In Frankfurt.  In 1901 he moved to Berlin, where he quickly established himself mainly as a pianist for singers and instrumentalists, with concert tours, which made him internationally known in the US and in Europe.  In 1905 he returned to Frankfurt as a piano teacher at the Dr. Hoch Conservatory.  In 1908 he was appointed by Felix Mottl as a piano professor and in 1916 as a composition professor at the Academy of Music in Munich.  In Munich, he worked closely with the head of the Munich Kammerspiele, Otto Falckenberg (1873-1947), for whom he wrote incidental music.  In 1920 he became director of the Bavarian State Conservatory in Würzburg, and founded in 1922, the Würzburg Mozart Festival, which soon became internationally famous.  For these accomplishments Zilcher was appointed in 1924 Privy Councillor by the Bavarian government and the University of Würzburg awarded him an honorary doctorate. Adalgiso Ferraris (16 February 1890 – 31 December 1968) was an Italian-born British composer and pianist.  Ferraris' compositions were based on classical and popular genres, with a particular flavour of gypsy, Hungarian and Russian traditionals.  Among his best known melodies are the romantic Russian song "Dark Eyes", "Calinerie", "Souvenir d'Ukraine", "the Russian Pedlar" , "Two guitars" and "A Balalaika" Sergei Prokofiev's Piano Sonata No. 4 in C minor, Op. 29 (1917) is a sonata composed for solo piano.  It was first performed by the composer on April 17, 1918, in Petrograd.  The work was dedicated to Prokoviev's good friend Maximilian Schmidthof, whose suicide in 1913 shocked and saddened the composer. Muzio Clementi was a celebrated composer, pianist, pedagogue, conductor, music publisher, editor, and piano manufacturer.  He is best known for his piano sonatas, and his collection of piano studies, "Gradus ad Parnassum".  Nineteenth century enthusiasts lauded Clementi as "the father of the pianoforte", "father of modern piano technique", and "father of Romantic pianistic virtuosity". The Easter Sonata (German: "Ostersonate") is a piano sonata in the key of A major, composed by Fanny Mendelssohn.  It was lost for 150 years and when found attributed to her brother Felix, before finally being recognized as hers.  It premiered in her name on March 8th 2017, played by Sofya Gulyak.  It was the second sonata composed by Fanny Mendelssohn in 1829 when she was 23 years old.  During her lifetime most of her music either remained unpublished or was published in her brothers name.  The "Easter Sonata" was not published, but is mentioned as her work by Mendelssohn in her diary and letters written to her family members in 1829. Sergei Prokofiev's Piano Sonata No. 7 in B♭ major, Op. 83 (1942) (occasionally called the "Stalingrad") is a sonata composed for solo piano, the second of the three "War Sonatas".  The sonata was first performed on 18 January 1943 in Moscow by Sviatoslav Richter. Didone Abbandonata - Piano Sonata in G, Op. 50, No.3 is the final sonata composed by Muzio Clementi in 1821.  It was titled after Metastasio's often-set opera libretto of the same name, and Clementi seeks to tell the tragic story of Virgil's heroine instrumentally.  It is the only example of such a programmatic piece in the composer's oeuvre. The Piano Sonata in C major D 279 is a piano sonata composed by Franz Schubert in September 1815.  The sonata has three movements and is regarded as incomplete for lacking a fourth movement.  D. 346, an unfinished Allegretto in C major, has been suggested as its final movement.
Answer: opera