Select: 
Category
All
Graphic ambiguousness
Interpretations within context
Differences between sources
Editorial revisions
Corrections & alterations
Source & stylistic information
Pitch
All
Pitch
Rhythm
Slurs
Articulation, Accents, Hairpins
Verbal indications
Pedalling
Fingering
Ornaments
Shorthand & other
Importance
All
Important
Main


Pitch

b. 42

composition: Op. 10 No 4, Etude in C♯ minor

..

In the sources there is no  returning fat the penultimate semiquaver. Due to the unquestioned f1 in the R.H., lack of this sign must be considered as a patent error.

category imprint: Interpretations within context; Editorial revisions

issues: Omissions to cancel alteration

b. 45

composition: Op. 10 No 4, Etude in C♯ minor

b in AI

No b in FE (→GE,EE)

..

Renouncement of the b semiquaver in the final version finalises the changes whose trace is visible in the deletions of AI:

  • originally, the passage in the R.H. started with an a1, while the remaining elements of the ninth chord were in the part of the L.H.; 
  • starting the passage with bcaused a doubled third of the dominant chord, which Chopin did not like and which he eventually avoided by deleting b.

The four bottom notes of the chord of AI are written as semibreves.

category imprint: Differences between sources; Corrections & alterations

b. 45

composition: Op. 10 No 4, Etude in C♯ minor

..

We add cautionary accidentals before the chord. The natural before a1 was already added in GE4 (→GE5).

category imprint: Differences between sources; Editorial revisions

issues: GE revisions

b. 45

composition: Op. 10 No 4, Etude in C♯ minor

..

GE3 has an erroneous das the last note of the bar. 

category imprint: Differences between sources; Source & stylistic information

issues: Errors in GE , GE revisions

b. 46

composition: Op. 10 No 4, Etude in C♯ minor

..

In AI there are no naturals before the 4th and 12th semiquavers (in both hands). The signs in the 1st half of the bar are of cautionary significance, yet in the 2nd half of the bar they are necessary. Moreover, the  lowering d1 to dwas omitted. All the aforementioned signs appear in FE (→GE,EE).

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , Omissions to cancel alteration , Cautionary accidentals