Prelude and Fugue in E-flat major, BWV 852

Prelude and Fugue in E-flat major, BWV 852, is a keyboard composition by Johann Sebastian Bach. It is the seventh prelude and fugue in the first book of The Well-Tempered Clavier, a series of 48 preludes and fugues by the composer.

Analysis

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Prelude

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Prelude, played by Kimiko Douglass-Ishizaka

The prelude is 70 measures long, and consists of three sections:[1]

  • The first section begins from the first measure and lasts until m. 10. It is a short toccata,[2] mainly made of energetic semiquaver movements, with the ending two measures (m. 8 and 9) made of demisemiquavers.[3] It establishes the tonic key (E), presents theme I, and ends on the dominant (B).[1]
  • The second section starts at m. 10, and ends at m. 25. It is a chorale, in the style of four-part harmony, introducing theme II.[4]
  • The third section starts at m. 25 and lasts until the end. It is a four-voice double fugue, and the first subject is introduced in the alto (theme I extended), second subject in the bass (theme II).[1][5] This section is three times as long as the other two sections together.[6]

This prelude is unique among the 48 preludes of The Well-Tempered Clavier, because it already includes a fully developed fugue. It may originally have been conceived for organ (the early version has fewer semiquavers in the bass of the second section than the final one).[7][a]

Fugue

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Fugue, played by Kimiko Douglass-Ishizaka

The fugue is 37 measures long and has three voices.[1]

Notes

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  1. ^ Harpsichordist Pieter-Jan Belder also supports this idea. He cites the example that the bass D in m. 64 is only a semiquaver, which he considers too short, and awkward. In the organ, this D can be sustained because of the pedal, but with only a keyboard (e.g. in the harpsichord), the tenor has to move on and the bass D has to be released again.[8]

References

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  1. ^ a b c d "Bach: Prelude and Fugue No.7 in E♭ major, BWV 852 Analysis". Tonic Chord. 2018-05-05. Archived from the original on 2024-05-31.
  2. ^ Belder (2021), 4:11
  3. ^ Hugo (1893), pp. 45–46
  4. ^ Belder (2021), 4:40
  5. ^ "The Well-Tempered Clavier, Book I: Fugue in E-flat major, BWV 852 - Animated Score and Analysis". YouTube. 2019-09-24.
  6. ^ Hugo (1893), pp. 45
  7. ^ Ledbetter (2002), p. 174
  8. ^ Belder (2021), 6:00

Sources

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