Carl Philipp Emanuel Bach's 'Fortsetzung' Sonatas, Wq 51, were published in 1761, just a year after his successful 'Six Sonatas for Keyboard with Varied Reprises', Wq 50.
Composition History
Bach may have created numerous variants of his sonatas to thwart a publisher, J. C. F. Rellstab, from profiting from unauthorized reprints of his earlier works.
Instruments
The clavichord used for this recording was built by Joris Potvlieghe in 1999, modeled after an instrument by Gottfried Joseph Horn from 1785.
Compositional Technique
Bach frequently used variation as a compositional technique, often revising his works and adding embellishments for students who couldn't improvise their own.
Composer Biography
Sonata No. 3 in C minor, Wq 51/3, was composed while Carl Philipp Emanuel Bach was in Zerbst, seeking refuge from the Seven Years' War.
Interpretation
Miklós Spányi, the performer, chose to include Bach's embellished versions of slow movements separately on this disc, rather than replacing the originals, to showcase Bach's elegant ideas of embellishment.
Compositional Technique
Carl Philipp Emanuel Bach created three independent versions of his Sonata No. 1 in C major, Wq 51/1, which are entirely recomposed with the same bass lines and harmonic progressions.
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