Symphony No. 3 (Beethoven) which the bass theme is heard as the first variation before the main theme ultimately appears. This again parallels the structure of the Opus 35 variations themselves. Finally, the loud E chord that begins the Opus 35 variations themselves is moved here to the beginning of the first movement, in the form of the two chords that introduce the first movement. Alternatively, the first movement's resemblance to the overture to the comic opera "Bastien und Bastienne" (1768), composed by twelve-year-old W. A. Mozart, has been noted. It was unlikely that Beethoven knew of that unpublished composition. A possible explanation is
Italian opera well as including self-referential ideas. Goldoni and Galuppi's most famous work together is probably "Il filosofo di campagna" (1754). The collaboration between Goldoni and another famous composer Niccolò Piccinni produced another new genre: opera semiseria. This had two "buffo" characters, two nobles and two "in between" characters. The one-act farsa had a significant influence on the development of comic opera. This was a type of musical drama initially considered as a condensed version of a longer comic opera, but over time it became a genre in its own right. It was characterised by: vocal virtuosity; a more refined use of