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b. 6

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

A staccato crotchet in A (→GEFE)

staccato semiquaver in EE

..

In EE, the staccato dot was erroneously placed over the semiquaver b flat1 instead of placing it above the crotchet. 

category imprint: Differences between sources

issues: Errors in EE

b. 6

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

..

In this place, the staccato sign has the form of a short, thin line, differing from the usual dots.  Comparison with analogous places (bars 8, 14, 18 and similar) suggests inaccurate notation of A (uncontrolled hand movement). The same remarks apply to the signs in bars 16 and 23 on the same page.

category imprint: Graphic ambiguousness

issues: Wedges

b. 6

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

..

Visible in A is an erased repeat sign marking bar 6 as opening a section to be repeated.

category imprint: Source & stylistic information

issues: Corrections in A

b. 7-8

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

End of the slur in A (→GE1)

Without a slur in FE (→EE)

A shortened slur in GE2 (→GE3)

..

The slur in those bars is evident in A (→GE1) and provokes no stylistic doubts. The change made in GE2 (→GE3) by analogy with bars 5-6 and 9-10, where the notation of A is not that clear, misses - in our opinion - Chopin's intention. The absence of the slur in FE (→EE) is doubtless a mistake.

category imprint: Differences between sources

issues: Errors in FE , GE revisions

b. 7

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

..

We add a cautionary  before g flat1.

category imprint: Editorial revisions