Friday, August 20, 2021The next step in our journey through the 24 keys of the well-tempered system is A-flat major. Without getting too complicated, A-flat major is never known as its enharmonic equivalent G-sharp major, because G-sharp major would have to have eight sharps in its key signature, including an F-double-sharp. This is theoretically possible, but there’s no reason to do it. A-flat major, on the other hand, has just four flats, making it perfectly convenient to use.
Here is an outstanding performance of the Prelude and Fugue in A-flat major from Book II of Bach’s Well-Tempered Clavier.
J.S. Bach The Well Tempered Clavier Book2 No.17, BWV 886
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John Scialdone published this page in Daily Beethoven 2021-08-20 08:44:48 -0400