Describe the use of polyphony in this piece. Also what techniques are used?
See the attached file.
Bach Cantata 80 - chorale fugue~
Describe the use of polyphony in this piece.
According to the following present day scholar, Alexandra Amati-Camperi, Ph.D~
Cantata 80, Ein feste Burg ist unser Gott (A mighty fortress is our God), for the Festival of the Reformation (31 October), is a revision of a Lenten cantata written in Weimar in 1715 for which the music is almost all lost (BWV 80a Alles, was von Gott geboren). The date of the later Cantata 80 is still doubtful. We only know that it originated in Leipzig and that it was performed in 1740. Cantata 80 is a chorale cantata, i.e. a cantata that incorporates in some of its movements the chorale tune "Ein feste Burg" by Martin Luther, which the congregation knew well. The text of the cantata, besides the four verses of Luther's chorale, was written by Salomo Franck (who paraphrased I John 5:4 for movement 2).
The Reformation Cantata has always claimed a special place in Bach's cantata oeuvre. This is partly because it was printed in score by Breitkopf and Härtel (Leipzig, 1821) before any other of his cantatas and even before the Passion settings and the B Minor Mass. Throughout the 19th century the repertoire of Bach cantatas continued to be so relatively small that Ein feste Burg acquired not only the character of prototype of his church cantata but also that of paragon of Protestant chorale composition. What doubtless contributed to this situation was the fact that the hymn which served as its basis had become the musical emblem of ...
The use of polyphony in Bach Cantata 80 - chorale fugue is rationalized. The techniques that are used are described.