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Rhythm

b. 31

composition: WN 17, Polonaise in B♭ major

Quaver in JC & EF

Crotchet in PE

..

In the main text we consider the longer crotchet resounding of the bass note, indicated only in PE, as compatible with the performance manner of similar figures in bars 25, 27, and 29. 

category imprint: Differences between sources

b. 31-32

composition: WN 17, Polonaise in B♭ major

c2-e2 repeated in JC & PE

c2-e2 tied in EF

..

In EF, holding the c2 and e2 notes is probably an arbitrary change introduced by Fontana.

category imprint: Differences between sources

b. 32

composition: WN 17, Polonaise in B♭ major

..

In JC and GEF, the chord in the R.H. at the beginning of the bar is a crotchet. Without any doubt, it is an error (omission of a quaver flag). In bar 32(r) – repetition of bar 32 in Da Capo written out in notes – the described error does not appear in GEF.

category imprint: Interpretations within context; Differences between sources

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

b. 32-34

composition: WN 17, Polonaise in B♭ major

Rhythm and notation in JC & EF

..

We give the pairs of chords at the transition between bars 32 and 33 and 33 and 34 in the notation of PE. In the sources related to the earlier autograph – JC and EF – the sound of c1 notes is not extended to the next bar, while each pair of chords is combined with a quaver beam (except for GEF in bars 32-33). The placement of the slurs combining those pairs of chords is also different.

category imprint: Differences between sources

b. 36

composition: WN 17, Polonaise in B♭ major

Quavers in JC & EF

Dotted rhythm in PE

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

category imprint: Differences between sources

issues: Dotted or even rhythm