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b. 2-4

composition: Op. 10 No 12, Etude in C minor

No marks in A

 signs in FE

Accent &  in GE & EE

Accents suggested by the editors.

..

The  marks, added by Chopin probably in a proofreading of FE (→GE,EE), are certainly meant to be long accents and this is how we give them in the main text. In bar 2 the length of marks in GE and EE corresponds quite well with the size of Chopin's long accents, although most probably by accident.

category imprint: Differences between sources

issues: Long accents , Authentic corrections of FE

b. 2-10

composition: Op. 10 No 12, Etude in C minor

Indications in A

No indications in FE (→GE,EE

..

It is uncertain why FE (→GE,EE) does not include the expressive markings written in A in bars 2 and 10. Most probably it is a result of the engraver's inaccuracy (haste?), however, even if it was the case, Chopin did not feel the need to complete these indications at the time of proofreading FE, despite the fact that in bar 2 he added a mark in this place. Therefore, respecting the image of the Etude accepted by Chopin for publication, we do not give them in the main text.

category imprint: Differences between sources

b. 2-14

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

Wedges in A

Dots in FE

GE & EE

..

In bars 2-3, 5-6, 10-11 and 13-14 in the main text, we give undeniable wedges written in A (in comparison, Chopin's dots may be seen over the bass notes in bars 1, 5 and analog.). In FE a part of the marks was omitted (in bars 3, 10 and 11) and the rest was interpreted as dots. The changes, according to us, are of a clearly arbitrary nature. GE and EE generally repeat the version of FE, yet they include a dot also in bar 3.

category imprint: Differences between sources

issues: EE revisions , Inaccuracies in FE , GE revisions , Wedges

b. 2

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

..

In FED there is an added  before a2 in the chord at the beginning of the bar. We also believe that it is advisable in this place, thus we give it in the main text.

category imprint: Differences between sources

issues: Annotations in teaching copies , Annotations in FED , Cautionary accidentals

b. 2-14

composition: Op. 10 No 5, Etude in G♭ major

Chords with g in A

No g in FE (→GE,EE)

..

The lower notes of the chords on the 2nd and 3rd quavers in bars 2, 6, 10 and 14 were removed by Chopin in a proofreading of FE (→GE,EE). It was probably related to the change of the dynamic concept of these bars. Similarly in bars 50 and 54.

category imprint: Differences between sources; Corrections & alterations

issues: Authentic corrections of FE