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Op. 10 No 1, Etude in C major

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Pitch

b. 75

composition: Op. 10 No 1, Etude in C major

B in CLI

C in FE (→GE,EE) 
..

The first note of the 2nd group of semiquavers in CLI is b1, similarly as in the 4th group there is a b3. The head of the note opening the 3rd group is illegible, but both the length of the stem and the figuration's logic indicate on b2 as the intended pitch of the note. In the main text we give the undoubtedly improved version of FE (→GE,EE).

category imprint: Interpretations within context; Differences between sources

issues: Main-line changes

b. 75

composition: Op. 10 No 1, Etude in C major

..

We add cautionary  before d1 and f1. The sign before f1 was already added in GE2 – and subsequent ones – and in EE4.

category imprint: Differences between sources; Editorial revisions

issues: EE revisions , GE revisions

b. 76

composition: Op. 10 No 1, Etude in C major

..

FE1 has b1 instead of g1 as the 8th semiquaver, which is a mistake.

category imprint: Differences between sources

issues: Errors in FE , Terzverschreibung error , Authentic corrections of FE , Authentic corrections of GE

b. 77-79

composition: Op. 10 No 1, Etude in C major

C in CLI

Octave in FE (→GE,EE) 
..

It is hard to definitely determine whether the lack of upper octaves in CLI is a result of the copyist's error or – which seems to be more plausible – the original version. 

category imprint: Differences between sources

issues: Accompaniment changes