Issues : Last key signature sign

b. 10

composition: WN 17, Polonaise in B♭ major

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JC has a  before a in the chord on the 3rd beat of the bar. In this harmonic context, the sign is unjustified. 

category imprint: Differences between sources

issues: Cautionary accidentals , Last key signature sign

b. 20

composition: WN 17, Polonaise in B♭ major

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In JC, the initial e is provided with a flat, which is unnecessary in this context.

category imprint: Source & stylistic information

issues: Cautionary accidentals , Last key signature sign

b. 22

composition: WN 17, Polonaise in B♭ major

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JC has a cautionary  before the 4th semiquaver, a1. In the light of the currently binding rules, a sign in this position is superfluous.

category imprint: Source & stylistic information

issues: Cautionary accidentals , Last key signature sign

b. 24

composition: WN 17, Polonaise in B♭ major

..

JC has a cautionary  before a1, which is unnecessary in this context.

category imprint: Source & stylistic information

issues: Cautionary accidentals , Last key signature sign

b. 35

composition: WN 17, Polonaise in B♭ major

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JC has a cautionary  before A1 on the 6th quaver of the bar.

category imprint: Source & stylistic information

issues: Cautionary accidentals , Last key signature sign