Issues : Cautionary accidentals

b. 28

composition: WN 17, Polonaise in B♭ major

..

The cautionary  before a, visible in JC and EF, is unjustified here. Chopin could have written it, while hearing in advance the a on the 6th quaver and the introduced in the next bar C minor key.

category imprint: Differences between sources

issues: Cautionary accidentals

b. 29

composition: WN 17, Polonaise in B♭ major

..

JC has an erroneous a1 (with a ) as the lower note of the 1st third. In this manuscript, there is a  before the lower note of the 3rd third (b1). 

category imprint: Interpretations within context; Differences between sources

issues: Cautionary accidentals , Errors of JC

b. 29-31

composition: WN 17, Polonaise in B♭ major

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In bars 29 and 31 we add a cautionary  before a1. In the latter, the sign is in JC.

category imprint: Differences between sources; Editorial revisions

issues: Cautionary accidentals

b. 31

composition: WN 17, Polonaise in B♭ major

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We add a cautionary  before b2. The sign is already featured in EF.

category imprint: Differences between sources; Editorial revisions

issues: Cautionary accidentals

b. 32-33

composition: WN 17, Polonaise in B♭ major

..

The flats before d and g in the part of the L.H. are included in PE (all of them) and JC (apart from d in bar 33). They are not present in EF. The use of signs in such a context is exclusively a question of convention, hence we preserve the notation of the base source.

category imprint: Source & stylistic information

issues: Cautionary accidentals