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b. 70

composition: WN 17, Polonaise in B♭ major

No indication in JC & EF

in PE

..

One can ponder the practical meaning of the indication legato in PE in relation to the slur which already determines this articulation, yet it does not question its authenticity.

category imprint: Differences between sources

b. 71

composition: WN 17, Polonaise in B♭ major

..

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

category imprint: Source & stylistic information

issues: Last key signature sign

b. 71

composition: WN 17, Polonaise in B♭ major

No slurs in JC

Slurs in EF

Slur in PE

..

In the main text we give the undoubtedly correct slurs of PE. In JC there are no slurs here, whereas the divided slurs of EF is probably an inaccuracy related to the end of the octave sign.

category imprint: Differences between sources

b. 71

composition: WN 17, Polonaise in B♭ major

..

In EF first three groups of demisemiquavers are written with an octave sign. In JC the notes are written in the same way, yet the octave sign was omitted, which is a patent error. In this graphic layout the f2 note at the beginning of the 4th group requires the  sign to be repeated, which actually is featured both in JC and EF

category imprint: Differences between sources; Source & stylistic information

issues: Errors of JC

b. 71

composition: WN 17, Polonaise in B♭ major

No markings in JC

Slur in EF

Wedge in PE

..

We give the wedge which appears only in PE. In JC, there is no articulation marking, whereas in EF first two quavers in the L.H. are linked with a slur. Cf. bar 75

category imprint: Differences between sources