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Op. 10 No 2, Etude in A minor

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Issues : Errors of CLI

b. 15

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

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In CLI there is no  lowering b to b on the 2nd beat of the bar nor the  returning b before the last chord. These are patent errors, being probably a result of the copyist's distraction.

category imprint: Interpretations within context; Differences between sources

issues: Errors of CLI

b. 15

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

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In CLI and FEcor there is no  returning d3 on the 3rd beat of the bar. Chopin corrected his oversight in one of later proofreadings of FE (→GE,EE). 

category imprint: Interpretations within context; Differences between sources

issues: Omissions to cancel alteration , Errors of CLI

b. 15

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

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In CLI the entire bar is written one octave lower. In the manuscripts also the adjacent bars are entirely written one octave lower, yet both bar 14 and 16 are included under an octave sign. Therefore, there is no doubt that bar 15 was also meant to be marked like that. The copyist must have totally lost it, as at the beginning of bar 15 he even wrote loco, with which an end of the octave sign was designated back then, while in bar 16 he started a new indication.

category imprint: Interpretations within context; Differences between sources

issues: Errors of CLI

b. 19-20

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

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In none of the authentic sources the notation of the accidentals in the part of the R.H. is entirely correct in these bars – particularly in bar 19. However, the inaccuracies do not pose problems in establishing the correct text. Moreover, in all sources except for Ap the unnecessary  before f2, the 14th semiquaver in bar 20, is repeated. 

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Errors in FE , Accidentals in different octaves , Omissions to cancel alteration , GE revisions , Errors of A , Authentic corrections of FE , Errors of CLI

b. 22

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

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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