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


Rhythm

b. 12

composition: Op. 10 No 2, Etude in A minor

not tied in CLI, Ap & FE (→EE2EE3)

tied in GE & EE4

..

The ties sustaining are probably (GE) or certainly (EE4) an addition of revisers of these editions. In the main text we adopt the undoubtedly authentic version of CLI, Ap and FE (→EE2EE3).

category imprint: Differences between sources

issues: EE revisions , GE revisions

b. 12

composition: Op. 10 No 2, Etude in A minor

Crotchets in CLI & Ap

Different values in FE (→GE,EE

..

Same as in bar 4, the rhythm's corrections written in FEcor confirm that the crotchets in CLI and Ap is the original version, changed by Chopin in all three analogous places (also in bar 39).

category imprint: Differences between sources; Corrections & alterations

issues: Accompaniment changes , Authentic corrections of FE

b. 16

composition: Op. 10 No 2, Etude in A minor

Crotchets in CLI & Ap

Quavers & rests in FE (→GE,EE

..

In FEcor Chopin changed the crotchets in the L.H., included also in CLI and Ap, to quavers separated with rests. It is one of a few changes of this kind; similarly in analogous bar 43.

category imprint: Differences between sources

issues: Accompaniment changes , Authentic corrections of FE

b. 17

composition: Op. 10 No 2, Etude in A minor

Crotchet in CLI

Quaver & rest in FE (→GE,EE

..

The crotchet in CLI is the original version (as in the previous bar). In this case Chopin shortened it to a quaver with rest both in Ap and FEcor (in FE1 only a rest was mistakenly added).

category imprint: Differences between sources

issues: Accompaniment changes , Authentic corrections of FE

b. 17

composition: Op. 10 No 2, Etude in A minor

Crotchet in CLIFE (→GE,EE

Quaver and rest in Ap

..

In the version for publication – FE (→GE,EE) – Chopin left the original rhythmic value of the crotchet on the 3rd beat of the bar, not taking into account the reduction applied in Ap. Similarly in analogous bar 44, as well as in 25 and 31.

category imprint: Differences between sources

issues: Chopin's hesitations