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b. 299

composition: (Op. 4), Sonata in C minor, Mvt IV

..

In A the accidental to the top note on the last crotchet is missing. The patent inaccuracy was corrected in GE (→FE,EE,IE).

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , GE revisions , Inaccuracies in A

b. 299

composition: (Op. 4), Sonata in C minor, Mvt IV

Dotted minim in A (→GEIE)

Minim in FE & EE

..

The missing augmentation dot to the g minim is probably a mistake by the engravers of EE and FE.

category imprint: Differences between sources

issues: Errors in FE , Errors in EE

b. 300

composition: (Op. 4), Sonata in C minor, Mvt IV

..

All sources feature a  to the G quaver. This accidental, in A written at the pitch of B, is a remaining element of the initial version, in which the 2nd half of the bar was the same as in the preceding bar. According to us, it could have been the initial version, changed in order to achieve a smoother transition – without repeating C – between the bars, or simply a mistake, consisting in copying the fragment of the preceding bar. In the main text we omit this unjustified accidental.

category imprint: Editorial revisions; Corrections & alterations; Source & stylistic information

issues: Corrections in A , Errors resulting from corrections

b. 300

composition: (Op. 4), Sonata in C minor, Mvt IV

..

In A there is no accidental to the 2nd quaver. The patent inaccuracy was corrected in GE (→FE,EE,IE).

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , GE revisions , Inaccuracies in A

b. 304

composition: (Op. 4), Sonata in C minor, Mvt IV

B in A (→GEEE,IE)

B in FE

B suggested by the editors

..

In A (→GEEE,IE) there is no accidental to the 6th quaver, as a result of which it is to be interpreted as B1. However, it is highly likely that Chopin forgot to cancel the  here and that the ending of the bar, already without alterations, returns to the key of F minor (after a short deviation to C), in force since bar 293. This is how it was interpreted in FE, and this is the version we suggest in the main text, marking our intervention with the help of brackets.

category imprint: Differences between sources; Editorial revisions

issues: Omissions to cancel alteration , Errors of A , FE revisions