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
Opera in German music, "Singspiele" were no match for contemporary opera serias in artistic sophistication. A milestone of German opera was Anton Schweitzer's "Alceste", with a libretto by Wieland, premiered in 1773 in Weimar. At the end of the 18th century a composer who would change all this would emerge: Wolfgang Amadeus Mozart. As music moved into the Classical era in the late 18th century, most German-born composers still avoided writing opera in their own language. The great figure of the early Classical period was Christoph Willibald von Gluck but his pioneering reforms were directed at Italian and French opera, not the German