Thuringia in April 1702.

Johann Sebastian Bach (March 21, 1685 - July 28, 1750), born in Eisenach, Thuringia, Germany, was a German composer during the Baroque period , keyboard player.

On March 21, 1685, Johann Sebastian Bach was born into a musical family in Eisenach, Thuringia, Germany. He was the son of Johann Ambrosius Bach and The seventh and last child of Maria Elisabeth Bach. In 1693, he studied at the Latin School of Eisenach and participated in the school choir to receive singing training. On May 1, 1694, Bach's mother died at the age of 50. On February 20, 1695, Bach's father died at the age of 49. In the same year, due to the death of his parents, Bach and his brother Johann Jacob went to Ordruf and joined his eldest brother, the organist Johann Christo. During this period, the eldest brother taught his younger brother organ playing skills and some basic theories of composition. Under his training, Bach's musical skills improved to a certain extent. From 1695 to 1700, he entered the Ordrup Academy and studied from the third class to the first class. On March 15, 1700, he left Oldruf and entered the choir of Michel School. In April 1702, he graduated from the Michel School and returned to Thuringia; in July, he applied for the position of town organ at St. Jacobi's Church in Zangerhausen. Due to the Duke's intervention, this position was given to others; in the same year , walked to Hamburg many times to listen to Reinken's organ performances, and went to Celle to listen to French-style chamber music performances. In 1703, he served as a musical servant to Duke Johann Ernst in Weimar, Saxony; in July, he tested the organ in the new church in Arnstadt.