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b. 67

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

..

GE has traces of correcting the third quaver of the bar from b flat2 to g flat2.

category imprint: Source & stylistic information

issues: Terzverschreibung error

b. 67

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

..

A does not have flats restoring a flat on the 3rd semiquaver of the 2nd half of the bar and a flat3 in the grace note before the 6th quaver of the bar. This is Chopin's obvious omission probably caused by the fact that in A the second part of the bar is written in a new line. In GE (→FEEE) the mistake was corrected only partly, as   was added before the grace note. The accidental before a flat was added in FEFr

category imprint: Differences between sources; Editorial revisions

issues: Omission of current key accidentals , Annotations in FEFr

b. 68

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

..

In A there is no  to restore e flat2 on the last quaver. The omission is due to Chopin's mistake, which is evidenced by the presence of  before e flat, the last semiquaver of the L.H. The missing flat in the right hand was supplemented in GE (→FEEE).

category imprint: Differences between sources; Editorial revisions

issues: Omissions to cancel alteration , GE revisions

b. 68

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

..

In FE (→EE), a cautionary  was added before d flat1, perhaps requested by Chopin. The same thing was done in bar 64.

category imprint: Differences between sources

issues: Cautionary accidentals , Authentic corrections of FE

b. 69-75

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

..

All  the recurring figures of the accompaniment were written by Chopin in A in an abbreviated form as //. Cf. bars 27-30.

category imprint: Source & stylistic information

issues: Abbreviated notation of A