mUltimate Chopin

Op. 10 No 12, Etude in C minor

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b. 54

composition: Op. 10 No 12, Etude in C minor

No signs in A (→FE→GE,EE)
 
..

In the main text we give pairs of   hairpins after identical figures in bar 64.

category imprint: Editorial revisions

b. 54-55

composition: Op. 10 No 12, Etude in C minor

Tied a2 in A (→FE→GE1,EE)

Tied a2, modern notation

Slur in GE2 (→GE3→GE4)
..

The right ending of the tie sustaining a2 was arranged slightly too high in FE (→GE1). In GE2 (→GE3→GE4) the tie was given an already totally erroneous form of a phrase mark combining a2 in bar 54 with d3 in bar 55. In the main text we give the only undoubtedly authentic version with sustained a2. We give the same version, written with a  repeated before a2 in bar 55 (earlier notation convention), as a separate variant, due to the not entirely determined sound of the penultimate chord in bar 55.

category imprint: Graphic ambiguousness; Differences between sources

issues: Inaccuracies in FE , GE revisions

b. 55-56

composition: Op. 10 No 12, Etude in C minor

No fingering in A

Fingering in FE (→GE) 

Fingering in EE
..

In the main text we give the fingering added by Chopin at the time of proofreading FE (→GE). This time Chopin wrote more digits than in analogous bar 15. We do not include detailed additions by Fontana in EE.

category imprint: Differences between sources

issues: EE revisions , Authentic corrections of FE

b. 55

composition: Op. 10 No 12, Etude in C minor

No accidentals in A (→FE→EE)

Flats in GE
..

The version without flats, featured in A (→FE→EE), is perfectly correct from the musical point of view. In spite of this, it is almost certain that Chopin forgot to return a1-a2 here; as a result, it is the version of GE that is compliant with his intention. It is revealed by the comparison with the prototype of this phrase in bar 15, in which the sound of a1-a2 was unequivocally confirmed by Chopin. 

category imprint: Interpretations within context; Differences between sources

issues: Omissions to cancel alteration , Errors of A

b. 55

composition: Op. 10 No 12, Etude in C minor

..

In A (→FE→EE3) there is neither the  raising B to B nor the  lowering d1 to d1. These patent oversights were completed in GE and EE4. 

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Accidentals in different octaves , GE revisions , Errors of A