In 1727 he enrolled as a law student at Leipzig University. In 1729, on Bach's recommendation, he was appointed as musical director of the Neukirche, Leipzig, a post he occupied until his death.
Johann enrolled in law studies at Leipzig University in 1727. Two years later, with Bach's endorsement, he took up the role of music leader at the Neukirche in Leipzig, a post that remained with him until his passing.