Sonata In A Minor

was a composer and musician of the Baroque period, born in the Duchy of Saxe-Eisenach. He is known for instrumental compositions such as the Brandenburg Concertos and the Goldberg Variations as well as for vocal music such as the St Matthew Passion and the Mass in B minor. Since the 19th-century Bach Revival he has been generally regarded as one of the greatest composers of all time.[2] The Bach family already counted several composers when Johann Sebastian was born as the last child of a city musician in Eisenach. After becoming an orphan at age 10, he lived for five years with his eldest brother, after which he continued his musical development in Lüneburg. From 1703 he was back in Thuringia, working as a musician for Protestant churches in Arnstadt and Mühlhausen and, for longer stretches of time, at courts in Weimar—where he expanded his repertoire for the organ—and Köthen—where he was mostly engaged with chamber music. From 1723 he was employed as Thomaskantor (cantor at St. Thomas) in Leipzig. He composed music for the principal Lutheran churches of the city, and for its university's student ensemble Collegium Musicum. From 1726 he published some of his keyboard and organ music. In Leipzig, as had happened in some of his

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