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Autograph manuscript (1725) of Allegro for solo harpsichord from first version of Bach's sixth sonata for obbligato harpsichord and violin, BWV 1019a, later published as the Corrente in BWV 830. The Partita for keyboard No. 6 in E minor, BWV 830, is a suite of seven movements written for the harpsichord by Johann Sebastian Bach.
The word "manual" is used instead of the word "keyboard" when referring to any hand-operated keyboard on a keyboard instrument that has a pedalboard (a keyboard on which notes are played with the feet), such as an organ; or when referring to one of the keyboards on an instrument that has more than one hand-operated keyboard, such as a two- or ...
The Partita for keyboard No. 2 in C minor, BWV 826, is a suite of six movements written for the harpsichord by Johann Sebastian Bach. It was announced in 1727, [ 1 ] issued individually, and then published as Bach's Clavier-Übung I in 1731.
Figure 1: schematic view of a 2 × 8' single manual harpsichord. The keylever is a simple pivot, which rocks on a balance pin that passes through a hole drilled through the keylever. The jack is a thin, rectangular piece of wood that sits upright on the end of the keylever. The jacks are held in place by the registers. These are two long strips ...
His theoretical writings cover many topics, including musical logic, [1] notation, [2] harmony, [3] melody, [4] phraseology, [5] the history of music theory, [6] etc. More particularly, the term Riemannian theory often refers to his theory of harmony, characterized mainly by its dualism and by a concept of harmonic functions .
The Dutch organist and harpsichordist Class Douwes (circa 1650 – circa 1725) mentions instruments from nominal 6 feet (1.8 m) down to 2 + 1 ⁄ 2 feet (0.76 m). [11] The pitch differences between the models offered by the Ruckers workshops were by no means arbitrary, but corresponded to the musical intervals of a tone, a fourth , a fifth , an ...
Manuscript of the first movement of BWV 1019, third version, copied by Johann Christoph Altnickol. The six sonatas for violin and obbligato harpsichord BWV 1014–1019 by Johann Sebastian Bach are works in trio sonata form, with the two upper parts in the harpsichord and violin over a bass line supplied by the harpsichord and an optional viola da gamba.
[1] The keys of the Partitas (B-flat major, C minor, A minor, D major, G major, E minor) may seem like an irregular sequence, but in fact they form a sequence of intervals going up and then down by increasing amounts: a second up (B-flat to C), a third down (C to A), a fourth up (A to D), a fifth down (D to G), and finally a sixth up (G to E). [2]