How long was Bach at leipzig?

Johann Sebastian Bach served as the Cantor and music director at St. Thomas Church in Leipzig from 1723 until his death in 1750, totaling 27 years. During this time, he composed many of his most famous works, including cantatas, oratoriOS, and the Mass in B minor. Bach's tenure in Leipzig was a significant period in his career, marked by his influence on church music and the broader musical landscape of the time.