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b. 75

composition: Op. 24 No. 4, Mazurka in B♭ minor

..

We add a cautionary  before c1.

category imprint: Editorial revisions

b. 85-86

composition: Op. 24 No. 4, Mazurka in B♭ minor

..

Missing in A are the sharps raising f to f sharp. That obvious mistake was corrected in GE (→FEEE).

category imprint: Differences between sources; Editorial revisions

issues: GE revisions , Omission of current key accidentals

b. 88

composition: Op. 24 No. 4, Mazurka in B♭ minor

..

In A (→GE1FEEE) there is no  raising b flat to b. This obvious mistake made by Chopin was corrected in GE2 (→GE3).

category imprint: Interpretations within context; Differences between sources

issues: GE revisions , Omission of current key accidentals

b. 89

composition: Op. 24 No. 4, Mazurka in B♭ minor

..

The notation of A (→GE1FEEE) does not contain cautionary accidentals. We add flats before G flat and e flat in the L.H. In GE2 (→GE3), flats were also added in the R.H.

category imprint: Differences between sources; Editorial revisions

issues: GE revisions

b. 92

composition: Op. 24 No. 4, Mazurka in B♭ minor

A flat in A (→GE)

A flat1-A flat in FE (→EE )

The editors' proposition

..

As the 1st crotchet A (→GE) has just A flat, as in the previous bar. Chopin added A flat1 in the proofing of FE (→EE). At the same time the staccato sign, independent of the right hand, was omitted, which definitely was not Chopin's intention. In our main text we give both the added note and the omitted dot. Cf. bars 92 and 93.

category imprint: Differences between sources; Corrections & alterations

issues: Accompaniment changes , Authentic corrections of FE