Bach was born on March 21, 1685, in Eisenach, Thüringen, into a family that over seven generations produced at least 53 prominent musicians, from Veit Bach to Wilhelm Friedrich Ernst Bach. Johann Sebastian received his first musical instruction from his father, Johann Ambrosius, a town musician. When his father died, he went to live and study with his elder brother, Johann Christoph, an organist in Ohrdruf.
In 1700 Bach began to earn his own living as a chorister at the Church of Saint Michael in Lüneburg. In 1703 he became a violinist, taught by his dad in the beginning, in the chamber orchestra of Prince Johann Ernst of Weimar, but later that year he moved to Arnstadt, where he became a church organist. …