page_title: Prelude and Fugue in F minor, BWV 881
section_title: Prelude
hierarchical_section_title: Prelude and Fugue in F minor, BWV 881 / Analysis / Prelude
caption_attribution_description: The first few bars of Prelude No. 12 in F Minor, BWV 881, by Johann Sebastian Bach
context_page_description: The Prelude and Fugue in F minor, BWV 881, is a keyboard composition written by Johann Sebastian Bach. It is the twelfth prelude and fugue in the second book of The Well-Tempered Clavier, a series of 48 preludes and fugues by the composer.
context_section_description: The prelude is 70 bars long, and is written in theme and variations form. The theme is 28 bars long and written in binary form. It is followed by several variations in different keys, and ends with a variation in the home key. Below is the opening sentence of the prelude:
  The first four measures of this sentence has two voices leading the melody in thirds, and another voice leading the bass line. After four measures, only two voices continue. One voice plays the root of a chord, while the second voice plays a broken chord around it. This continues like so for another four measures, and ends with an imperfect cadence. After this, the sentence is repeated, except modulating to E♭ major at one point and ending on a perfect cadence. Together, these two sentences create a compound period, and the first part of a small binary.
  Following the compound period, the second part of the small binary starts. It consists of one voice playing broken chords and two other voices leading a melody, and is eight measures long. A perfect cadence in A♭ major concludes the small binary, and thus ending the theme of the prelude.
  The prelude ends with a two-measure codetta, which consists of a perfect cadence in the home key.
caption: The opening sentence of the prelude. About this soundListen (help·info)
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