 Most of Bach's church cantatas date from his first years as and director of church music in Leipzig, a position which he took up in 1723.Working for Leipzig's and , it was part of Bach's job to perform a church cantata every Sunday and holiday, conducting soloists, the Thomanerchor and orchestra as part of the church service.In his first years in Leipzig, starting after Trinity of 1723, Bach regularly composed a new cantata every week, although some of these cantatas were adapted (at least in part) from work he had composed before his Leipzig era.