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Op. 12, Variations in B♭ major

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b. 85

composition: Op. 12, Variations in B♭ major

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In FE the augmentation dot to the f1 minim is missing. It was noticed and corrected both in GE and EE.

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Errors in FE , GE revisions

b. 88

composition: Op. 12, Variations in B♭ major

No separate voices in FE (→GE,EE)

Separate voices suggested by the editors
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In the main text we replace the quasi-one-part notation of the L.H. part – possibly by Chopin but misleading in this context – by regular notation with separate parts.

category imprint: Editorial revisions

issues: Different values of chord components

b. 128

composition: Op. 12, Variations in B♭ major

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In FE (→EE) we can see semiquaver rests, instead of demisemiquaver ones. The mistake was corrected in GE.

category imprint: Interpretations within context; Differences between sources

issues: Errors in FE , GE revisions , Rhythmic errors , Errors repeated in EE

b. 128

composition: Op. 12, Variations in B♭ major

Dotted crotchet in FE (→EE)

Crotchet & rest in GE
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It is difficult to say how this discrepancy arose, while each of the versions offer interesting interpretation possibilities. To the main text we adopt the FE variant (→EE), since it is probably based on [A], and certainly authentic. See also the note at the beginning of bar 129.

category imprint: Differences between sources; Corrections & alterations

issues: Authentic corrections of FE , Authentic corrections of GE

b. 138

composition: Op. 12, Variations in B♭ major

Synchronization mark written into FEO

No teaching annotations
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The poorly visible lines, most probably indicating the moment the roulade should start with respect to the L.H. part, were entered – most probably by Chopin – into FEO.

category imprint: Graphic ambiguousness; Differences between sources

issues: Annotations in teaching copies , Synchronization markings , Annotations in FEO