Serse tragedy and comedy or high and low class characters. The musicologist Charles Burney later took "Serse" to task for violating decorum in this way, writing: "I have not been able to discover the author of the words of this drama: but it is one of the worst Handel ever set to Music: for besides feeble writing, there is a mixture of tragic-comedy and buffoonery in it, which Apostolo Zeno and Metastasio had banished from serious opera." Another unusual aspect of "Serse" is the number of short, one-part arias, when a typical opera seria of Handel's time was almost wholly made
American classical music of the immediate environment of the audience, thus extending the definition of music to consist of any and all sounds even though they are without a composer created structure. Another more current, example of Postmodern music is that of American composer Miguel del Aguila who blends American idioms with those of his Hispanic, Latin American roots. In the 20th century, Incidental music saw new heights with the development of the full orchestrated Film score. Drawing from the opera styles of composition and the rules of Richard Wagner (specifically the idea of Gesamtkunstwerk), many early soundtracks include Overtures, Intermission Music, and