Issues : Errors of CLI

b. 41

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

No  in CLI

Natural in ApFE (→GE,EE

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Lack of the  returning b2 on the penultimate semiquaver is most probably an inaccuracy of CLI's notation. Chopin may have written the accidental already in the handwritten base text for FE.

category imprint: Interpretations within context; Differences between sources

issues: Errors of CLI

b. 43

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

Crotchets in CLI & Ap

Quavers & rests in FE (→GE,EE

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Same as in analogous bar 16, in FEcor Chopin changed the crotchets in the L.H. to quavers separated with rests. The crotchets, being undoubtedly the original version, also appear in CLI (with erroneously written semiquaver flags next to the 2nd crotchet) and Ap.

category imprint: Differences between sources

issues: Accompaniment changes , Authentic corrections of FE , Errors of CLI

b. 44

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

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In CLI there are no naturals returning c2 and e2, nor the sharp raising g1 to g1. The second of these mistakes – lack of the  before e2 – remained unnoticed also in FEcor.

category imprint: Interpretations within context; Differences between sources

issues: Errors in FE , Authentic corrections of FE , Errors of CLI

b. 45-46

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

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In CLI there are no naturals returning a1 and d2 in bar 45 and a2 and d3 in bar 46. These patent errors were corrected by Chopin in FEcor. The accidentals – apart from the first one – were overlooked in EE2.

category imprint: Interpretations within context; Differences between sources

issues: Errors in EE , Authentic corrections of FE , Errors of CLI

b. 46

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

..

In CLI the rest was omitted, hence the bar has only 7 quavers.

category imprint: Interpretations within context; Differences between sources

issues: Rhythmic errors , Errors of CLI