Issues : Accidentals in different octaves

b. 38

composition: Op. 27 No 2, Nocturne in D♭ major

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The  raising g flat to g sharp can only be found in GE2. Omission of that type of accidental is among Chopin's most frequent mistakes.

category imprint: Differences between sources

issues: Accidentals in different octaves , GE revisions , Omission of current key accidentals

b. 39

composition: Op. 27 No 2, Nocturne in D♭ major

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In A, three consecutive accidentals for three consecutive semiquavers, c sharp1e and G sharp1, are missing.  The first accidental was supplemented in GE (→FEEE), the second one in GE2, and the third one in FE (→EE) and in GE2.

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , GE revisions , Omission of current key accidentals

b. 40

composition: Op. 27 No 2, Nocturne in D♭ major

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Missing in A (→GE1FE) are the  raising d flat to d sharp and G flat1 to G sharp1. In EE the first one is still missing and the second one is supplemented. GE2 has both sharps.

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Accidentals in different octaves , GE revisions , Omission of current key accidentals

b. 41

composition: Op. 27 No 2, Nocturne in D♭ major

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In A (→GE1) there is no  raising A flat1 to A1. This inaccuracy was corrected in FE (→EE) and GE2. The natural was also added in GET.

category imprint: Interpretations within context; Differences between sources

issues: Annotations in teaching copies , Accidentals in different octaves , Omission of current key accidentals , Annotations in GET

b. 43

composition: Op. 27 No 2, Nocturne in D♭ major

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In A (→GE1) there is no  lowering to C flat. This patent inaccuracy was corrected in FE (→EE) and GE2.

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , GE revisions , FE revisions