mUltimate Chopin

Op. 10 No 10, Etude in A♭ major

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b. 8

composition: Op. 10 No 10, Etude in A♭ major

c3-a3 & d2 in A, FE2 & EE

c2-a2 & d2 in FE1

c3-a3 & d3 in GE
..

The version of FE1 is a result of the engraver's mistake in determining the range of the octave sign, which ends one quaver too early in this edition. Both in FE2 and in EE the error was corrected. In GE this sixth, also written with an octave sign, is actually on the correct pitch, yet the octave sign erroneously includes also the next quaver.

category imprint: Differences between sources

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

b. 8

composition: Op. 10 No 10, Etude in A♭ major

Three accents in A

Two accents in FE (→GE,EE)

One accent suggested by the editors
..

The presence of the accent at the beginning of the bar in FE (→GE,EE) is probably a result of an inaccurately implemented Chopin's proofreading, in which all remaining accents on the 1st and 7th quavers in bars 5-8 were removed. However, it cannot be excluded that Chopin conserved this accent on purpose – to emphasise the local climax, provided in A with  (cf. another note at the beginning of this bar). 

category imprint: Interpretations within context; Differences between sources; Editorial revisions

issues: Inaccuracies in FE , Authentic corrections of FE

b. 8

composition: Op. 10 No 10, Etude in A♭ major

 in A

No marking in FE (→GE,EE)
..

Omission of the  mark written in A may be a mistake of the engraver of FE (→GE,EE) or a result of Chopin's proofreading. In the main text we give the version of editions, in which the level of dynamics between cresc. in bar 7 and dim. in the 2nd half of bar 8 is not precise.

category imprint: Differences between sources

issues: Authentic corrections of FE

b. 8-9

composition: Op. 10 No 10, Etude in A♭ major

Slur ending in A

FE (→GE,EE)
..

The slur of FE (→GE,EE) is obviously erroneous – the engraver led the slur to the end of the line, as it is in A. At the same time, he did not pay attention to the difference in the text's division into great staves: in A the line ends with bar 8, while in FE – with bar 9.

category imprint: Differences between sources

issues: EE revisions , Errors in FE , GE revisions

b. 8

composition: Op. 10 No 10, Etude in A♭ major

e2 in A (→FE) (literal reading)

e2 in GE & EE
..

A lacking  before the penultimate quaver is most probably a mistake by Chopin. The accidental was added by the revisers in both GE and EE.

category imprint: Differences between sources

issues: EE revisions , Omissions to cancel alteration , GE revisions , Errors of A