J. S. Bach's C minor fugue BWV 871 from the second book of the WTC offers an excellent example of three contrapuntal techniques: a) the stretto, b) augmentation and c) inversion or contrary motion.

The next animation uses measures 14 to 16 of this fugue to show what is an stretto, augmentation and inversion:

Analysis of the fugue:

©2005 José Rodríguez Alvira. Published by teoria.com

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