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b. 29

composition: Op. 25 No 6, Etude in G♯ minor

..

In FC one can see that the  lowering e1 to e1 in the 1st chord was moved from before the minim. Traces of correction, consisting in adding this  in the 1st chord (which required moving the entire chord), are visible also in FE. Hence, the mistake was also probably in [A]

category imprint: Corrections & alterations; Source & stylistic information

issues: Authentic corrections of FE

b. 29

composition: Op. 25 No 6, Etude in G♯ minor

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FE1 overlooked the octave sign. This patent oversight was corrected in FE2.

category imprint: Differences between sources

issues: Errors in FE

b. 29-30

composition: Op. 25 No 6, Etude in G♯ minor

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In FE and EE1 (→EE2) there are no flats lowering b2 to b2 in bar 29 and b1 to b1 in bar 30. In FC the inaccuracy appears only in bar 29. GE and EE3 include the correct text.

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Inaccuracies in FE , GE revisions , EE inaccuracies , Inaccuracies in FC

b. 31

composition: Op. 25 No 6, Etude in G♯ minor

..

We add a cautionary  before E. The addition was already introduced in GE2 (→GE3), which include naturals also before e2 in the L.H. and e3 in the R.H.

category imprint: Differences between sources; Editorial revisions

b. 31-33

composition: Op. 25 No 6, Etude in G♯ minor

..

In FE, instead of , a  was misplaced twice – at the beginning of the last group in the L.H. in bar 31 there is c2-e2 instead of c2-e2, while at the 7th semiquaver in bar 33 there is f2-a2 instead of f2-a2. Both mistakes were corrected in FES, although it is hard to state whether it was Chopin who performed it. In the second place, an erroneous or unclear notation could have been in [A] and in the remaining Stichvorlage manuscripts – in FC one can see a correction from  to , while EE1 does not include any sign before this note, which gives the same result as the erroneous  in FE.

category imprint: Differences between sources

issues: Annotations in teaching copies , Errors in FE , Errors of A , Annotations in FES