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b. 129-131

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

No sign in GC (→GE) & FE1 (→FE2EE1)

 in FE3 (→FE4) & EE2

..

Same as in bars 121-123, the  sign was added by Chopin in the proofreading of FE3 (→FE4). It was then repeated in EE2.

category imprint: Differences between sources; Corrections & alterations

issues: Authentic corrections of FE

b. 129-131

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

..

Same as in bars 121-123, in GC in the part of the left hand only the top notes of the octaves are written (except for the last two in bar 131). The bottom ones were marked in an abbreviated manner with the help of the con 8va - - - indication.

category imprint: Differences between sources

issues: Abbreviated octaves' notation

b. 129

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

..

We add cautionary flats before b-b1. The signs were added already in GE and EE2.

category imprint: Differences between sources; Editorial revisions

issues: EE revisions , GE revisions

b. 129

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

..

GC has no  before the 2nd quaver, which is most probably an oversight of the copyist. The mistake was corrected in GE. The remaining sources include the correct text.

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , GE revisions , Omission of current key accidentals , Inaccuracies in GC

b. 129-160

composition: Op. 64 No 2, Waltz in C♯ minor

..

In As and AI the presence of these bars does not result from the notation – the Waltz ends in bar 128. In A bars 129-152 are not written out with notes, but only marked in an abbreviated manner (with subsequent letters) as a repetition of bars 1-24. At the same time, Chopin overlooked the 'N' letter, corresponding to bar 13 (141); this patent mistake either did not confuse the engraver of FE (→GE,EE) or it was cleverly corrected.  

category imprint: Differences between sources; Source & stylistic information

issues: Errors of A