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Rhythm

b. 6

composition: WN 17, Polonaise in B♭ major

Rhythm in JC (literal reading)

Rhythm in JC (interpretation) and EF

..

The rhythm in EF (equal quavers at the end of the bar) and – despite a mistake – in JC most probably corresponds to the notation of [AI]. In [A] (→PE), which is undoubtedly a later version, Chopin homogenised the rhythm of the 3rd beat of the bar in bars 1-3 and 5-7.   

category imprint: Differences between sources

issues: Errors of JC

b. 7

composition: WN 17, Polonaise in B♭ major

..

The sources differ in the notation of the first chord in the R.H.:

  • in JC, all three components are combined with one stem; such a kind of notation can often be found in Chopin sources, also in autographs. However, taking into consideration numerous errors and inaccuracies, JC cannot be considered as a fully reliable source in terms of the notation's details.
  • in EF there is a two-part notation: the minim a-e1 has a separate stem pointing downwards.
  • in PE the notation is unclear; probably it refers to a two-part notation in which the minim a-e1 has a stem pointing upwards. This is the interpretation we give in the main text.

category imprint: Differences between sources; Source & stylistic information

issues: Different values of chord components

b. 9

composition: WN 17, Polonaise in B♭ major

..

In JC, FEF, and PE, the 5th quaver is not extended to the value of a crotchet. It is certainly a mistake (the notation's inaccuracy), as the necessity to extend stems from the presence of the tie sustaining this note to the minim in bar 10. Moreover, in JC, the last quaver, f1, is written erroneously in a two-part form. FEF has a correct notation.

category imprint: Source & stylistic information

issues: Errors of JC , Errors in PE , Errors in Fontana's editions , Fontana's revisions

b. 9

composition: WN 17, Polonaise in B♭ major

Quavers in JC & EF

Dotted rhythm in PE

..

On the 3rd beat of the bar we give a dotted rhythm after PE, based on the later autograph – [A].

category imprint: Differences between sources

issues: Dotted or even rhythm

b. 10-18

composition: WN 17, Polonaise in B♭ major

Quaver d1 in JC

Quaver d1 in EF

Minim in PE

..

The extension of the note din bars 10 and 18, marked only in PE, is a typical Chopin's ploy. In bar 18 of this edition, an equivalent notation was applied, showing exactly the voices' coincidence. The notation may have resulted from a misunderstanding of the notation of [A], hence in both places we give the simplest notation used in bar 10.

The lower note of the sixth, f, is a quaver in JC, which is a patent inaccuracy in relation to the tie sustaining it into on the 3rd beat of the bar (see the next remark). According to us, it is yet probable that it corresponds to the notation of [AI] and illustrates the process of gradual improvement of the notation from bare quavers to the precise notation of ties of some of the notes. 

category imprint: Differences between sources

issues: Errors of JC