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b. 71-72

composition: Op. 63 No. 1, Mazurka in B major

Longer slur in AI & FE (contextual interpretation→EEW)

Shorter slur in FE (literal reading→EEC)

No slur in GE

..

In FE a mistake was committed by not continuing the slur in a new line, which was reproduced in EEC as a slur over 4 quavers. In the main text we correct this oversight by leading the slur to c1-e1, as it was interpreted in EEW. The absence of the slur in GE is probably a mistake, although it cannot be excluded that the proof copy of FE1 that served as the basis for GE1 did not yet include this slur – see the note on the slur in bar 69.

category imprint: Graphic ambiguousness; Differences between sources

issues: Inaccuracies in FE , Errors in GE , Uncertain slur continuation

b. 71-73

composition: Op. 63 No. 1, Mazurka in B major

..

In the main text we add a cautionary  to e1 in bars 71 and 73,  as it was performed in GE2 (→GE3).

category imprint: Differences between sources; Editorial revisions

issues: GE revisions

b. 71

composition: Op. 63 No. 1, Mazurka in B major

 over a in AI & GE3

 under f1 in FE (→EE,GE1GE2)

..

As in bar 5 and 7, the mordent having been placed under the f1-a1 third in FE must be a mistake, corrected only in GE3. The correct notation is also in AI.

category imprint: Differences between sources; Editorial revisions

issues: Placement of markings , GE revisions , FE revisions

b. 71

composition: Op. 63 No. 1, Mazurka in B major

..

In the main text we omit the unjustified (cautionary?)  before a1 that appears in all editions.

category imprint: Editorial revisions

issues: Cautionary accidentals , Last key signature sign

b. 71

composition: Op. 63 No. 1, Mazurka in B major

Rest & ninth in AI

Ninth & rest in FE (→GE,EE)

category imprint: Differences between sources; Corrections & alterations

issues: Accompaniment changes