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b. 131-138

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

..

As in bars 113-122, in the main text we keep the two-quaver beams present in A. In GE (→FE,EE,IE) they were replaced by standard four-quaver beams.

category imprint: Differences between sources

issues: GE revisions

b. 131-132

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

..

In A Chopin left out all necessary accidentals to the top notes of the even quavers – the sharps to c3a2 and g2 and both naturals to b2. The patent inaccuracies were corrected in GE (→FE,EE,IE). Moreover, in the main text we include the cautionary naturals to c2 and c3 at the beginning of bar 132 added by GE (→FE,EE,IE).

category imprint: Interpretations within context; Differences between sources; Editorial revisions

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

b. 131

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

..

In A the  raising a1 to a1 is missing. The patent oversight was complemented in GE (→FE,EE,IE). In the main text we also include the cautionary  to the f1 crotchet added by GE (→FE,EE,IE).

category imprint: Interpretations within context; Differences between sources; Editorial revisions

issues: GE revisions , Omission of current key accidentals , Inaccuracies in A

b. 131-138

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

No slurs in A

Slurs in GE (→FE,EE,IE)

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In the main text we do not include the slurs added by GE (→FE,EE,IE), although they certainly correctly describe the motifs' articulation. At this point the articulation is clear (following bars 115-121), and it is likely that by writing two slurs only Chopin wanted to emphasise the significance of the motifs provided with them, ending the two-bar phrases. See also bar 138

category imprint: Differences between sources

issues: GE revisions

b. 131

composition: Op. 12, Variations in B♭ major

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The sources do not include a  to the last R.H. note, which is a patent inaccuracy, most probably committed by Chopin.

category imprint: Interpretations within context

issues: Errors in FE , Accidentals in different octaves , Errors repeated in GE , Errors repeated in EE