Learning Exercise

Well-Tempered Clavier: Module 9

Listening and reading exercise on fugue 9 (E major) of JS Bach's Well-Tempered Clavier in performance by Dr. Philip Goeth on the organ. Includes online assessment.


"Bach to School" is open-content curriculum that threads its way through four summative works of J. S. Bach. Designed... see more


  1. Listen to the E major fugue at: http://bach.nau.edu/clavier/nature/fugues/Fugue09.html
  2. Read the narrative, at the end of which you'll find a link to the online assessment. The narrative is available in English, Spanish, and Portuguese.


  • Topics: structure of subject/countersubject, melodic inversion, retrogradation, augmentation, DNA 
  • Key concepts: Motives in subject/countersubject analyzed at figural level; unusual variation of countersubject; atomized figures undergo inversion, retrogradation, augmentation; generative tendency of fugue likened to DNA.


  1. Answer the ten questions at:
  2. Enter your name and instructor's email at the top of the page, then click the "Send to Instructor" button.