Werk BWV 325

Most of Johann Sebastian Bach's extant church music in Latin—settings of (parts of) the Mass ordinary and of the Magnificat canticle—dates from his Leipzig period (1723–50). Bach started to assimilate and expand compositions on a Latin text by other composers before his tenure as Thomaskantor in Leipzig, and he continued to do so after he had taken up that post. The text of some of these examples by other composers was a mixture of German and [scores].[1]