of cantor (music director) of St. Thomas' Church in Leipzig - after it had been turned down by two other composers. The job was a demanding one; he had to compose cantatas for the St. Thomas and St. Nicholas churches, conduct the choirs, oversee the musicalactivities of numerous municipal churches, and teach Latin in the St. Thomas choir school. Accordingly, he had to get along with the Leipzig church authorities, which proved rocky going. But he persisted, polishing the musical component of church services in Leipzig and continuing to write music of various kinds with a level of craft and emotional profundity that was his alone.Bach remained at his post in Leipzig until his death in 1750. He was creatively active until the very end, even after cataract problems virtually blinded him in 1740. His last musical composition, a chorale prelude entitled "Before They Throne, My God, I Stand", was dictated to his son-in-law only days before his death. ...