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Baroque · fugue

Fugue No. 4 in C-sharp minor, BWV 849 (WTC I)

Johann Sebastian Bach · Level 9, estimated · With Maestro

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The short answer

A manuscript from 1722, a printed afterlife around 1800. Fugue No. 4 in C-sharp minor, BWV 849 (WTC I) is a fugue by Johann Sebastian Bach from the Baroque era. PlayPiano puts it at Level 9, an estimate.

On this page
  • fugue
  • Baroque
  • Key of C-sharp minor
  • grand

History

Fugue No. 4 in C-sharp minor, BWV 849 (WTC I) belongs to the first book of The Well-Tempered Clavier. Bach's collection fair copy is dated 1722. For many years its life was in manuscript: around 1800, publishers in Zurich, Bonn and Vienna/Leipzig brought competing editions into print. That long journey from manuscript to publication is part of this piece's wider history.

Sources

What to listen for

  1. Slow entries gradually fill the texture

    The slow bass line is joined gradually by other sustained entries. Hear each new strand arrive without losing the earlier long sounds.

  2. A flowing strand changes the texture

    A running eighth-note strand enters while sustained gestures continue elsewhere. Listen for the new flowing layer alongside the longer notes.

  3. Contrasting kinds of motion circulate

    Sustained, flowing and repeated-note textures move among five strands. Follow a chosen kind of motion as its register changes.

  4. Long supports carry the final C-sharp

    Extended low support and changing inner parts continue beneath a tied upper C-sharp. Hear the active layers gather into the final cadence.

How to practise it

Carry the long chromatic subject while keeping later voice entrances distinct.

  1. Sing the subject slowly and name B-sharp distinctly; play it with counted full durations rather than shortening the whole notes.
  2. Count the tenor's silence against the opening bass subject, then add its entrance without making the earlier line disappear.

How hard is it

Level 9, estimated

Dense contrapuntal development requires sustained attention to several simultaneous lines and a convincing large-scale arc.

About this piece

Interpretive sketch of Johann Sebastian Bach, an illustration and not a verified likeness
An illustration, not a portrait
Licence
Public Domain
Source
mutopiaproject.org

More by Johann Sebastian Bach

  1. Prelude in C major, BWV 846Level 4, estimatedOpen to everyone
  2. Two-Part Invention No. 1 in C major, BWV 772Level 5, estimatedWith Maestro
  3. Italian Concerto in F major, BWV 971: III. PrestoLevel 9, estimatedWith Maestro

With Maestro

Play it, slow it down, hear where you land

Carry the long chromatic subject while keeping later voice entrances distinct.

Practise it in PlayPiano