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Johann Sebastian Bach

Johann Sebastian Bach ( – 28 July 1750) was a German composer and musician of the late Baroque period. He is known for his prolific output across a variety of instruments and forms, including the orchestral ''Brandenburg Concertos''; solo instrumental works such as the cello suites and sonatas and partitas for solo violin; keyboard works such as the ''Goldberg Variations'' and ''The Well-Tempered Clavier''; organ works such as the ''Schübler Chorales'' and the Toccata and Fugue in D minor; and choral works such as the ''St Matthew Passion'' and the Mass in B minor. Since the 19th-century Bach Revival, he has been widely regarded as one of the greatest composers in the history of Western music.

The Bach family already had several composers when Johann Sebastian was born as the last child of a city musician, Johann Ambrosius, in Eisenach. After being orphaned at age 10, he lived for five years with his eldest brother, Johann Christoph, then continued his musical education in Lüneburg. In 1703 he returned to Thuringia, working as a musician for Protestant churches in Arnstadt and Mühlhausen, and for longer periods at courts in Weimar, where he expanded his organ repertory, and Köthen, where he was mostly engaged with chamber music. In 1723 he was hired as Thomaskantor (cantor at St Thomas's) in Leipzig. There he composed music for the principal Lutheran churches of the city and its university's student ensemble Collegium Musicum. In 1726 he began publishing his keyboard and organ music. In Leipzig, as had happened during some of his earlier positions, he had difficult relations with his employer. This situation was somewhat remedied when his sovereign, Augustus III of Poland, granted him the title of court composer in 1736. In the last decades of his life, Bach reworked and extended many of his earlier compositions. He died of complications after a botched eye surgery in 1750 at the age of 65. Bach had 20 children with his two wives, Maria Barbara and Anna Magdalena, 10 of whom survived into adulthood. Four of his children, Wilhelm Friedemann, Carl Philipp Emanuel, Johann Christoph Friedrich, and Johann Christian, became composers.

Bach enriched established German styles through his mastery of counterpoint, harmonic and motivic organisation, and his adaptation of rhythms, forms, and textures from abroad, particularly Italy and France. His compositions include hundreds of cantatas, both sacred and secular. He composed Latin church music, Passions, oratorios, and motets. He often adopted Lutheran hymns, not only in his larger vocal works but, for instance, also in his four-part chorales and his sacred songs. Bach wrote extensively for organ and for other keyboard instruments. He composed concertos, for instance for violin and for harpsichord, and suites, as chamber music as well as for orchestra. Many of his works use contrapuntal techniques like canon and fugue.

In the 18th century Bach was primarily known as an organist, while his keyboard music, such as ''The Well-Tempered Clavier'', was appreciated for its didactic qualities. The 19th century saw the publication of some significant Bach biographies, and by the end of that century all of his known music had been printed. Dissemination of scholarship on the composer continued through periodicals (and later also websites) exclusively devoted to him and other publications such as the ''Bach-Werke-Verzeichnis'' (BWV, a numbered catalogue of his works) and new critical editions of his compositions. His music was further popularised through a multitude of arrangements, including the ''Air on the G String'' and "Jesu, Joy of Man's Desiring", and of recordings such as three different box sets with complete performances of his oeuvre marking the 250th anniversary of his death. Provided by Wikipedia