Prelude and Fugue in C-sharp minor, BWV 873
Keyboard composition by Johann Sebastian Bach
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The Prelude and Fugue in C♯ minor, BWV 873, is a keyboard composition written by Johann Sebastian Bach in 1738.[1] It is the 4th prelude and fugue in Book II of The Well-Tempered Clavier.
Prelude
The prelude is in the time signature of 9
8 time. It is in the key of C♯ minor. The Prelude is heavily ornamented with mordents and appoggiaturas.[2]
Fugue
The fugue is in 12
16 time. It is also in C♯ minor. Unlike its prelude, the fugue does not have much ornamentation.[3]
