Issues : Cautionary accidentals

b. 20

composition: WN 17, Polonaise in B♭ major

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In JC, the initial e is provided with a flat, which is unnecessary in this context.

category imprint: Source & stylistic information

issues: Cautionary accidentals , Last key signature sign

b. 20

composition: Op. 10 No 1, Etude in C major

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In CLI there is no cautionary  before the G1-G octave (written in an abbreviated form as G with 8).

category imprint: Source & stylistic information

issues: Cautionary accidentals

b. 20

composition: Op. 10 No 11, Etude in E♭ major

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The cautionary natural before d2 is present in all sources. In turn, the relevant sign in the L.H. was added only in GE2 (→GE3GE4) and EE4.

category imprint: Differences between sources

issues: EE revisions , GE revisions , Cautionary accidentals

b. 20-22

composition: Op. 21, Concerto in F minor, Mvt III

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In the main text we add cautionary flats before b2 in bar 20, d1 in bar 21 and e1(2) in bar 22. In turn, we remove the  before d2 in bar 22, written by Chopin yet unnecessary in this place.

category imprint: Editorial revisions

issues: Cautionary accidentals , Last key signature sign

b. 20

composition: Op. 28 No. 16, Prelude in B♭ minor

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Chopin wrote a cautionary  before a3 at the beginning of the bar. In the main text, we also add a  before the next note, g3.

category imprint: Editorial revisions; Source & stylistic information

issues: Cautionary accidentals