Music of Germany era was undoubtedly in the works of Johann Sebastian Bach and Georg Friedrich Händel in the first half of the 18th century. Bach established German styles through his skill in counterpoint, harmonic and motivic organisation, and adapted rhythms, forms, and textures from Italy and France. Bach wrote numerous works, including preludes, cantatas, fugues, concertos for harpsichord, violin and wind, orchestral suites, the Brandenburg Concertos, "St Matthew Passion", "St John Passion" and the "Christmas Oratorio". Händel was a cosmopolitan composer that wrote music for virtually every genre of his time. His most famous works include the orchestral suites Water Music, Music
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