We reach the last note in The Well-Tempered Clavier, B natural. To this point, Bach has climbed chromatically from C, visiting both minor and major modes in every half step, and before the stunning finale in b minor, Bach writes a somewhat simpler prelude and fugue, BWV 868, in B major.
Thank Bach for God!
There are few revisions between the earliest and latest copies, the most striking is the inner voice at measure 11 in the prelude. Which do you prefer:
or,
The two tuning schemes used in today’s episode are 1/4 Comma Meantone, and Kellner’s Bach. N.B. This Kellner is not J.P. Kellner, the important Bach scribe, but rather, Herbert Anton Kellner, an important 20th century musicologist.
The fugue, in four voices, features two inverted entrances. (I inverted, vertically, the word ‘theme,’ which is visually more correct than spinning it 180 degrees— I know you’re here for such details.)
Write That Fugue!
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Concepts Covered:
J.S. Bach’s BWV 868, the B major Prelude and Fugue from Book 1 of the Well-Tempered Clavier, his compositional revisions between the early version and final fair copy. An analysis of large-scale harmonic progressions, such as the move from the tonic to dominant, and a similar movement, from sub-dominant to tonic. The prelude is played in two temperaments, Kellner’s Bach and quarter-comma meantone.
