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b. 312
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composition: (Op. 4), Sonata in C minor, Mvt IV category imprint: Interpretations within context; Differences between sources issues: Accidentals in different octaves , GE revisions , Inaccuracies in A |
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b. 313
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composition: Op. 21, Concerto in F minor, Mvt III
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The category imprint: Interpretations within context; Differences between sources issues: Errors in FE , FE revisions |
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b. 313
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composition: Op. 21, Concerto in F minor, Mvt III
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The ritenuto indication is written only in Morch, in the part of clarinets. It is difficult to say why Chopin did not include it in A – perhaps he simply forgot it or did not feel the need to emphasise the slowdown he had already marked in bars 301-302 as poco a poco rallent., which is most probably still valid here (to bar 316). Due to the reminding nature of this marking, we suggest it in the main text in a variant form. category imprint: Interpretations within context; Editorial revisions |
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b. 313
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composition: Op. 21, Concerto in F minor, Mvt I
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According to us, an inaccurate notation of the slurs in A (→GE→#FEA) is more likely than an intentional change of slurring between this bar and its analogous predecessor (bar 311). category imprint: Editorial revisions |
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b. 313-314
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composition: Op. 21, Concerto in F minor, Mvt III
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In A there is no category imprint: Interpretations within context; Differences between sources issues: GE revisions , Foreign hand additions in manuscripts , Omission of current key accidentals , Errors of A |
before the top note at the beginning of the bar in 
1 to d1 on the 4th quaver in bar 313, whereas the signs in bar 314 were added with pencil. In spite of the obvious accuracy of these additions, their authenticity is not certain, since other additions made with pencil in