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b. 4

composition: Op. 30 No. 2, Mazurka in B minor

..

The cautionary  to a1 is present only in FE (→EE), perhaps added by Chopin in the stage of proofreading FE. In the main text we also add a  to a in the L.H.

category imprint: Differences between sources; Editorial revisions

issues: Cautionary accidentals , Authentic corrections of FE

b. 5-13

composition: Op. 30 No. 2, Mazurka in B minor

..

In bars 5 and 13, in the main text we add a cautionary  to G in the bass and to g1 in the R.H. The latter was also added in both bars in GE (added in crayon in FC) and in bar 5 also in EE.

category imprint: Differences between sources; Editorial revisions

issues: EE revisions , GE revisions , Foreign hand additions in manuscripts

b. 12

composition: Op. 30 No. 2, Mazurka in B minor

..

In the main text we add cautionary naturals to a1 and a.

category imprint: Editorial revisions

b. 19-27

composition: Op. 30 No. 2, Mazurka in B minor

..

In the main text, we add a cautionary  before d1 in bars 19 and 27.

category imprint: Editorial revisions

b. 22-30

composition: Op. 30 No. 2, Mazurka in B minor

..

In the main text, we add cautionary naturals before b1 in bars 22 and 30. The reviser of GE1 also added them in FC; they were subsequently introduced in this edition.

category imprint: Differences between sources; Editorial revisions

issues: GE revisions , Foreign hand additions in manuscripts