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b. 121-122

composition: Op. 35, Sonata in B♭ minor, Mvt I

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In the main text, we add flats before e2 in bar 121 and b1 in bar 122, as it was done in GE and EE2.

category imprint: Differences between sources; Editorial revisions

issues: EE revisions , GE revisions

b. 122

composition: Op. 35, Sonata in B♭ minor, Mvt I

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In GC there is no  before the 2nd quaver in the L.H. This patent inaccuracy was completed in GE. The remaining sources include the correct text.

category imprint: Differences between sources

issues: GE revisions , Inaccuracies in GC

b. 122

composition: Op. 35, Sonata in B♭ minor, Mvt I

Lower part in GC, FE (→EE) & GE2 – 2 minims

Semibreve in GE1

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The GE1 version is surely an engraver's mistake. The error was corrected in GE2.

category imprint: Differences between sources

issues: Errors in GE , GE revisions

b. 124

composition: Op. 35, Sonata in B♭ minor, Mvt I

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In the 2nd half of the bar GC and FE lack in accidentals in the part of the R.H. The inaccuracy of Chopin's notation was corrected in GE and EE.

category imprint: Interpretations within context; Differences between sources

issues: Errors in FE , Omission of current key accidentals , Errors of GC

b. 124

composition: Op. 35, Sonata in B♭ minor, Mvt I

Semibreve in GC (→GE) & FE1 (→FE2EE)

Dotted minim in FE3 (→FE4)

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Chopin gave the note a pianistically real value of a dotted minim in the proofreading of FE3 (→FE4).

category imprint: Differences between sources; Corrections & alterations

issues: Authentic corrections of FE