Select: 
Category
All
Graphic ambiguousness
Interpretations within context
Differences between sources
Editorial revisions
Corrections & alterations
Source & stylistic information
Notation
All
Pitch
Rhythm
Slurs
Articulation, Accents, Hairpins
Verbal indications
Pedalling
Fingering
Ornaments
Shorthand & other
Importance
All
Important
Main


b. 17

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

An accent in A (→GE2)

Absence of that sign in GE1 (→FEEE)

..

The accent, overlooked in GE1 (→FEEE), was supplemented in GE2.

category imprint: Differences between sources

issues: Inaccuracies in GE

b. 17

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

Dynamic markings in A

FE (→EE)

..

The small differences between the sources are purely graphic in nature and their practical aspect is negligible. For the edited text we use the notation taken from A.

category imprint: Differences between sources

issues: Inaccuracies in GE , Inaccuracies in FE

b. 17

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

An accent added in FES

No piano practice tip in A (→GEFEEE)

The editors' variant proposal

..

The accent added in FES completes the process of emphasizing the expressive significance of B double flat bass notes started by Chopin's corrections of FE in bar 18 and 20.

category imprint: Differences between sources

issues: Annotations in teaching copies , Annotations in FES

b. 17

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

..

Visible in GE is the trace of correcting d double flat to BB.

category imprint: Source & stylistic information

issues: Terzverschreibung error

b. 18

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

Emphasizing the bass note in FE

Bass note not emphasized in A (→GE)

Change of accent type in EE

..

When proofing FE, Chopin made the notation of the accompaniment more precise - cf. bar 20. In EE, the long accent was arbitrarily replaced with a vertical one. 

category imprint: Differences between sources; Corrections & alterations

issues: Accompaniment changes , Authentic corrections of FE