Issues : Inaccuracies in A

b. 40

composition: Op. 50 No. 2, Mazurka in A♭ major

 in A1

No sign in FE (→EE) & GE

Our variant suggestion

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The  hairpin written in A1 in b. 39-40 was overlooked in FE (→EE). In turn, the absence of the mark in GE may mean that Chopin decided not to use that indication in [A2] (→GE). However, other explanations are also likely, hence in the main text we suggest an alternative solution. Due to the fact that the notation of the R.H. part in b. 40 in A1 is incomplete, the range of the mark is ambiguous, and the range we suggest is one of the possible interpretations.

category imprint: Graphic ambiguousness; Differences between sources

issues: Errors in FE , Inaccuracies in A

b. 65-66

composition: Op. 50 No. 2, Mazurka in A♭ major

Short & long accent in A1, literal reading

2 short accents in FE (→EE)

No accents in GE

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The accents on the 3rd beat of these bars were probably removed in the proofreading of GE and replaced by Chopin with the cresc. and  markings (it is indicated by the traces of removal of analogous marks in b. 81-82). Therefore, we do not include them in the main text.
The issue concerning the length of the accents: see b. 60-64.

category imprint: Graphic ambiguousness; Differences between sources; Corrections & alterations

issues: Long accents , Authentic corrections of GE , Inaccuracies in A