Prelude and Fugue in C-sharp minor, BWV 873 explained

Prelude and Fugue in C-sharp 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-sharp minor. The Prelude is heavily ornamented with mordents and appoggiaturas.^[2]

Fugue

The fugue is in 12/16 time. It is also in C-sharp minor. Unlike its prelude, the fugue does not have much ornamentation.^[3]

Notes and References

1. Web site: Archived copy . 2018-05-28 . 2018-06-24 . https://web.archive.org/web/20180624072621/http://www.jsbach.org/bwv873.html . dead .
2. Web site: Prélude No. 4 BWV 873 in C♯ Minor.
3. Web site: Fugue No. 4 BWV 873 in C♯ Minor.