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
Chamber music 19th century saw dramatic changes in society and in music technology which had far-reaching effects on the way chamber music was composed and played. Throughout the 18th century, the composer was normally an employee of an aristocrat, and the chamber music he or she composed was for the pleasure of aristocratic players and listeners. Haydn, for example, was an employee of Nikolaus I, Prince Esterházy, a music lover and amateur baryton player, for whom Haydn wrote many of his string trios. Mozart wrote three string quartets for the King of Prussia, Frederick William II, a cellist. Many of Beethoven's quartets