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Op. 10 No 2, Etude in A minor

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b. 21-22

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

..

In CLI there are no essential accidentals in the part of the R.H., some of them were also omitted in the base text for FE. In subsequent proofings of FE Chopin, however, added all of them, so final FE (→EE) does not include any errors in this scope. Ap also has a totally correct notation. Lack of the  returning g2 at the end of bar 21 in GE1 probably means that Chopin added it only in the last proofreading of FE. The sign was added in GE2 (→GE3) together with few others, reminding; the majority of the latter were then removed in GE4 (→GE5), while one was added in EE4. We discuss the 2nd half of bar 22 in a separate entry due to the enharmonic difference in the notation of the 10th semiquaver.  

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , GE revisions , Cautionary accidentals , Authentic corrections of FE

b. 22

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

e in CLI & FE (→GE,EE) 

d in Ap
..

In Ap Chopin marked the enharmonic change of the bass note in the last chord, however, eventually he returned to the original concept in FE (→GE,EE). Cf. bar 20.

category imprint: Differences between sources; Corrections & alterations

issues: Chopin's hesitations , Enharmonic corrections

b. 22

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

f1-c2 in CLI

c2 in Ap & FE (→GE,EE) 
..

The additional f1 in CLI is certainly the original version, Chopin waived this note in both Ap and in the base text for FE. Cf. bars 20 and 24.

 

category imprint: Differences between sources; Corrections & alterations

issues: Accompaniment changes

b. 22

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

..

In CLI the 10th semiquaver is written as an a2, which constitutes a natural cause of changes in the notation of the accidentals appearing in the further part of the bar. Lack of the  returning g2 on the penultimate semiquaver is, however, a patent error. In the majority of sources there is a reminding (?)  before the last note in the bar – only Ap and GE4 (→GE5) omit this rather unnecessary sign. 

category imprint: Interpretations within context; Differences between sources; Corrections & alterations

issues: GE revisions , Cautionary accidentals , Errors of CLI

b. 23-24

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

d1 in chords in CLI

d1-e1  & e1 in Ap

d1 &  before b in FE (→GE,EE) 
..

Similarly as two bars before, Ap features chords with the span of an octave on the 2nd beat of these bars. In the main text we give the chords with the span of a seventh present in the remaining sources.

In bar 23 there is no cautionary  before b.

category imprint: Differences between sources

issues: Chopin's hesitations , Cautionary accidentals , Accompaniment changes