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b. 23-25

composition: Op. 30 No. 4, Mazurka in C# minor

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In FC one can see cautionary naturals to a1 in bars 23, 25 and 27, added in pencil. They come from the reviser of GE, and this is the only edition in which they are present. We include them in the main text.

category imprint: Differences between sources; Editorial revisions

issues: GE revisions , Foreign hand additions in manuscripts

b. 27

composition: Op. 30 No. 4, Mazurka in C# minor

category imprint: Differences between sources

b. 35-51

composition: Op. 30 No. 4, Mazurka in C# minor

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In GE cautionary sharps were added to the top notes of the dominant chords in bars 35, 37, 41, 43, 45, 49 and 51. There is a similar situation in subsequent, analogous bars.

category imprint: Differences between sources

issues: GE revisions

b. 39

composition: Op. 30 No. 4, Mazurka in C# minor

..

In the main text we add a cautionary  to b.

category imprint: Editorial revisions

b. 47

composition: Op. 30 No. 4, Mazurka in C# minor

d2 in FC (→GE) & FED

b1 in FE (→EE)

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The version of FE (→EE) must be erroneous (a typical Terzverschreibung), which is confirmed by the correction in FED, most probably coming from Chopin.

category imprint: Interpretations within context; Differences between sources

issues: Annotations in teaching copies , Errors in FE , Annotations in FED , Terzverschreibung error