HARPBach, Johann Sebastian
Prelude in Bb Major for Harp
Bach, Johann Sebastian - Prelude in Bb Major for Harp
BWV 866 No. 1
ViewPDF : Prelude in Bb Major (BWV 866 No. 1) for Harp (3 pages - 111.94 Ko)69x
MP3 : Prelude in Bb Major (BWV 866 No. 1) for Harp 13x 104x
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Johann Sebastian Bach
Bach, Johann Sebastian (1685 - 1750)
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Key :B♭ major
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Copyright :Public Domain
Added by magataganm, 12 Dec 2022

The Well-Tempered Clavier is two sets of preludes and fugues for keyboard. Each set consists of twenty four preludes and fugues in all of the major and minor keys in ascending order. They were published in two separate "books," Book I, which was composed in 1722, and Book II, composed in 1744. The title of the work refers to a then new system of tuning, called equal temperament, in which an octave was divided into twelve equal intervals. This method of tuning replaced an earlier one called meantone tuning, in which the key of C major and those near it were purely intonated, while keys with many sharps or flats would be out of tune. In the meantone system, each tone and semitone is subtly different, while the equal tempered system eschewed perfect intonation for an equal division of the octave, such that each tone and semitone was equal. Bach certainly recognized the value of such a system--it allowed for greater freedom of modulation and use of chromaticism--and his Well-Tempered Clavier served as an effective promotion of this new tuning method. It is a vivid demonstration of the flexibility and practicality of the equal or "well" tempered keyboard. It is also an example of Bach's compositional genius and good taste: as his first biographer Johann Forkel noted, despite its perfectly idiomatic music and attention to specific technical issues, Bach likely composed this work away from the keyboard while on a trip with his patron, Prince Leopold.

Like many of Bach's great pedagogical works, the Well-Tempered Clavier is a collection of pieces whose musical value is as great as their instructional value. Each piece tests different techniques and addresses different technical challenges; however, Bach is careful not to sacrifice musicality for pedagogy, so that fugal subjects are simple yet interesting, motives are tastefully developed, and melodic lines are supple and shapely. There is no paucity of purely musical ideas in this work. Book II, composed some twenty-two years after the first, is noticeably less pedagogical in its emphasis, and is obviously addressed to the accomplished player rather than the "Musical youth" described on the title page of Book I. Book II also does not, in the printed score, make a point of equal temperament: by 1744, this new system was no longer new, and no longer required Bach's advocacy.

This pair of pieces begins with a nimble toccata, full of cadenza-like passages interrupted by typically portentous chords. For once, this is a prelude that couldn't be dropped among Bach's two-part inventions or three-part sinfonias. The three-voice fugue, on the other hand, is unremarkable except for its jaunty character, with the relatively long subject (for so compact a fugue) arriving in top-to-bottom voicings.

Source: Allmusic (http://www.allmusic.com/composition/prelude-and-fugue- for-keyboard-no-21-in-b-flat-major-wtc-i-21-bwv-866-bc- l100-mc0002391645).

Although originally written for Harpsichord. I created this Arrangement of the Prelude in Bb Major (BWV 866 No. 1) for Concert (Pedal) Harp.
Sheet central :Le Clavier bien tempéré I (285 sheet music)
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