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WN 17, Polonaise in B♭ major

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Issues : Last key signature sign

b. 37

composition: WN 17, Polonaise in B♭ major

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In JC, both a1 in the group of semiquavers in the R.H. and a in the chord in the L.H. on the 3rd beat of the bar are provided with naturals. It illustrates Chopin's inclination to emphasise the 7th step of the major scale with cautionary accidentals, despite a correct key signature. 

category imprint: Source & stylistic information

issues: Cautionary accidentals , Last key signature sign

b. 49

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. 51

composition: WN 17, Polonaise in B♭ major

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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. 70

composition: WN 17, Polonaise in B♭ major

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In JC, the chords in the L.H. are written with g1 instead of f1.

In the same manuscript, one can see a number of cautionary accidentals, which somehow remind about their validity: a  before e, e1 and e4, e3, a  before a2 and a  before f3. The flat before e1 on the 2nd quaver is also in PE.

category imprint: Differences between sources; Source & stylistic information

issues: Enharmonic corrections , Last key signature sign

b. 71

composition: WN 17, Polonaise in B♭ major

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JC has additional flats before e2 in the 4th and 5th groups of demisemiquavers.

category imprint: Source & stylistic information

issues: Last key signature sign