Issues : Corrections in A

b. 1-5

composition: Op. 10 No 7, Etude in C major

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In A one can see that the penultimate semiquaver in bars 1 and 5 was initially d1-f1.

category imprint: Corrections & alterations

issues: Corrections in A

b. 2-3

composition: Op. 10 No 7, Etude in C major

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Initially, the slur of A in bar 2 ended on the last note in this bar (same as in bar 1). Chopin, while adding the slur in bar 3, ensured that it is added to the previous one, which can be considered as a template for all similar situations.

category imprint: Corrections & alterations

issues: Corrections in A

b. 3

composition: Op. 10 No 7, Etude in C major

f1-g1 in A

f1-b1 in FE (→GE,EE)

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The  f1-g1 second in A is most probably the original version of the 3rd semiquaver. In analogous bar 36 Chopin changed it to an f1-bfourth already in A. The traces of corrections are also visible in bar 3, yet the  f1-athird was removed, probably written by mistake. In bar 11, in which the 1st phrase appears one octave higher, the f2-b2 fourth is immediately written in A

category imprint: Differences between sources; Corrections & alterations

issues: Corrections in A , Authentic corrections of FE

b. 36

composition: Op. 10 No 7, Etude in C major

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In A there are visible traces of correcting f1-g1 to f1-b1. Cf. bar 3.

category imprint: Corrections & alterations

issues: Corrections in A

b. 36

composition: Op. 10 No 7, Etude in C major

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In A there are visible traces of adjustments of the 2nd and 3rd quavers. The removed version could have been the following: .

category imprint: Corrections & alterations

issues: Corrections in A