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Op. 10 No 6, Etude in E♭ minor

Text Compare Notes Sources Description

Issues : GE revisions

b. 12

composition: Op. 10 No 6, Etude in E♭ minor

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In this context the missing  before d must be considered as Chopin's oversight (in the remaining two analogous bars the sign is both in A and the remaining sources).

category imprint: Differences between sources

issues: EE revisions , GE revisions , Cautionary accidentals

b. 15

composition: Op. 10 No 6, Etude in E♭ minor

f1 & f in A

f1 & f in FE

GE & EE
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The version of A may be the inadvertently left original edition of this bar (or maybe even of bar 7). In any case, a proofreading of FE – despite a possible error in the 2nd half of the bar – does not leave any doubts concerning the final intention of the composer. The natural returning f, which in FE is only before the penultimate note of the bar, was moved before the 7th semiquaver in GE and EE, which may render Chopin's intention accurately. 

category imprint: Differences between sources

issues: EE revisions , Errors in FE , GE revisions , Errors of A , Authentic corrections of FE

b. 18

composition: Op. 10 No 6, Etude in E♭ minor

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In A (→FE→GE1→GE2→GE3→GE4) there is no  raising c1 to c1 in the chord at the beginning of the bar, which must be an error. Chopin added the necessary sign in FED (as well as the second one "on the run", unnecessary before c in the 2nd half of the bar). The correct text is included also in EE and GE5.  

category imprint: Interpretations within context; Differences between sources

issues: Annotations in teaching copies , EE revisions , GE revisions , Omission of current key accidentals , Errors of A , Annotations in FES

b. 18-19

composition: Op. 10 No 6, Etude in E♭ minor

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In A (→FE) Chopin omitted the naturals raising B1 to B1, C to C and c to c. The second of them was added in FES. In GE a  was added at the end of bar 18, yet both signs in bar 19 appeared only in GE3 (→GE4→GE5). EE has the correct text. 

category imprint: Interpretations within context; Differences between sources

issues: Annotations in teaching copies , EE revisions , Accidentals in different octaves , GE revisions , Omission of current key accidentals , Annotations in FES

b. 20

composition: Op. 10 No 6, Etude in E♭ minor

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We add cautionary flats before b and b1. The accidentals were added in GE4, yet in GE5 some of them were overlooked.   

category imprint: Differences between sources; Editorial revisions

issues: GE revisions