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b. 71

composition: WN 17, Polonaise in B♭ major

in JC

in EF & PE

..

The note in JC is most probably the copyist's error, which is revealed by which is present both in EF and PE. In the two remaining similar phrases (bars 62-63 and 74-75), the chord on which the second bar is based differs significantly from the chord in the first bar; adopting the note as the bass note would reduce the difference mainly to the omission of e1, which does not seem to change the harmonic content.

category imprint: Differences between sources

issues: Errors of JC

b. 71

composition: WN 17, Polonaise in B♭ major

a1 in chord in JC

f1 in EF & PE

..

In JC, the highest note of the chord could be considered as the so-called Terzverschreibung if it was not for the  raising f1 into f1 written only before the next chord. However, if we assume that JC copied the text of [AI] correctly, the compatible versions of EF and PE seem to confirm Fontana's access to an additional source of authentic versions, probably corrections of [AI], introduced already after JC had been written.

category imprint: Differences between sources

issues: Terzverschreibung error , Errors of JC

b. 72

composition: WN 17, Polonaise in B♭ major

No fingering in JC & PE

Fingering in EF

..

The fingering of EF was probably added by Fontana.

category imprint: Differences between sources

b. 72-76

composition: WN 17, Polonaise in B♭ major

No markings in JC & EF

in PE

..

 indications in PE constitute logical endings to diminuendos in the previous bars. Moreover, there are no reasons to question their authenticity. 

category imprint: Differences between sources

b. 72

composition: WN 17, Polonaise in B♭ major

No mark in JC

Accent in EF

Accent in PE

..

In the main text we give the accent which is present only in PE. Our attention is drawn by a difference in relation to analogous bar 76, in which the relevant sign falls on the 2nd beat of the bar. In the case of the accent of EF, one could have doubts as to which voice it should apply – a distinctive highlighting of one of the thirds of the accompaniment seems to be totally unjustified here.

category imprint: Differences between sources