Issues : Last key signature sign

b. 3

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

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A  heightening g1 to g1 is missing from all the sources. The use of g1 between f1 and g1 is so obvious in this context that the error went unnoticed for several dozen years.  

category imprint: Editorial revisions; Source & stylistic information

issues: Errors of A , Last key signature sign

b. 15-16

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

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In A (→GE1) there is a cautionary  before g flat1 at the beginning of bar 16. The unnecessary sign was omitted in FE (-→EE1EE2), and in GE2 (→GE3) it was moved one quaver earlier, to bar 15. In EE3, a  was added in bar 16, probably on the basis of GE1.

category imprint: Differences between sources

issues: GE revisions , Cautionary accidentals , Authentic corrections of FE , Last key signature sign

b. 17

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

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Before the quaver d flat2 in A (→GEFEEE) there is a . We remove that unnecessary sign in our main text. 

category imprint: Editorial revisions

issues: Cautionary accidentals , Last key signature sign