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b. 65

composition: WN 17, Polonaise in B♭ major

f1-c2 in JC

d1-f1-c2 in EF & PE

..

Lack of d1 in JC is probably an oversight.

category imprint: Differences between sources

issues: Errors of JC

b. 65-66

composition: WN 17, Polonaise in B♭ major

..

In few places in JC there are unjustified cautionary flats: in bar 65 before e2 at the beginning of the bar and b on the 3rd beat, in bar 66 before eon the 2nd quaver and e in the 5th triplet. 

category imprint: Source & stylistic information

issues: Cautionary accidentals

b. 65-66

composition: WN 17, Polonaise in B♭ major

..

In JC, there is no octave sign over the part of the R.H. in those bars, as a result of which, the entire bar 65 and two triplets in bar 66 are written one octave lower. The awkward blends with the part of the L.H. (the second triplets of both bars) and the compatible version of EF and PE reveal the copyist's error in this place. Similarly in bars 101-102.

category imprint: Source & stylistic information

issues: Errors of JC

b. 66

composition: WN 17, Polonaise in B♭ major

No markings in JC & PE

Pedalling in EF

..

The pedalling of EF is certainly possible to apply, yet the indications themselves are most probably non-authentic.

category imprint: Differences between sources

b. 66

composition: WN 17, Polonaise in B♭ major

No marking in JC & PE

 in EF

..

 in EF is probably an addition by Fontana, however, it may be considered as an addition to the authentic dynamic concept emerging from the indications of PE.

category imprint: Differences between sources