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b. 83

composition: WN 17, Polonaise in B♭ major

..

In JC there is no  raising E into E, which is a patent error.

category imprint: Interpretations within context; Differences between sources

issues: Errors of JC

b. 84

composition: WN 17, Polonaise in B♭ major

..

In JC there is a  before B.

category imprint: Source & stylistic information

b. 84

composition: WN 17, Polonaise in B♭ major

Rhythm in JC & PE

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The compatible rhythm's version of JC and PE (in spite of omitting the dot extending the B quaver in PE) gives reasons to doubt the authenticity of the version of EF.

category imprint: Differences between sources

b. 85

composition: WN 17, Polonaise in B♭ major

..

All sources have a  before e. In JC and PE, a relevant sign is also before e1.

category imprint: Source & stylistic information

issues: Last key signature sign

b. 86-87

composition: WN 17, Polonaise in B♭ major

No indications in JC

cresc. in EF

crescendo diminuendo in PE

..

In the main text we give the more precise notation of PE, yet the markings of EF generally describe the same performance, in which the peak of the crescendo wave, starting in bar 83, falls at the beginning of bar 87.

category imprint: Differences between sources