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b. 5

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

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In A the  to the last quaver (e3) 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. 5

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

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In EE1 the  lowering d1 to d1 and the  raising e4 to e4 were overlooked. The errors were corrected in EE2.

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Errors in EE

b. 5-8

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

No fingering in A (→GEFE,IE)

Fingering in EE

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In the main text we omit the inauthentic fingering added by EE in bars 5-8 (R.H.) and in bar 6 (L.H.).

category imprint: Differences between sources

issues: EE revisions

b. 5-6

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

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In A Chopin wrote accidentals only to the octaves' top notes. In addition, in bar 6 he omitted the  to the topmost note of the 1st chord (a1). The patent inaccuracies were corrected in GE (→FE,EE,IE). The same applies to bars 37-38.

category imprint: Interpretations within context; Differences between sources

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

b. 6

composition: Op. 29, Impromptu in A♭ major

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The crescendo hairpins are marked slightly different in each of the sources. The right-hand end of the hairpins in A is unclear. Comparison with analogous bars and FE and EE versions (out of which one is most probably based on a different autograph), enables considering A's notation as inaccurate. We harmonise the notation according to analogous places.

category imprint: Graphic ambiguousness; Differences between sources; Editorial revisions

issues: Scope of dynamic hairpins