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b. 18

composition: Op. 12, Variations in B♭ major

No annotations in FE1 (→GE,EE)

Annotation in FEO

..

The line illustrating the direction of the separated accompaniment voice was added – most probably by Chopin – in FEO.

category imprint: Differences between sources

issues: Annotations in teaching copies , Annotations in FEO

b. 39

composition: Op. 12, Variations in B♭ major

 &  in FE (→EE)

 in GE

 suggested by the editors

..

The missing augmentation dot to the second d crotchet in FE (→EE) is most probably a mistake, corrected in GE (in the original opera score this d is a dotted minim). We also introduce a dotted minim into the main text, as it is simpler and clearer.

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

issues: Errors in FE , GE revisions

b. 166

composition: Op. 12, Variations in B♭ major

No annotations in FE1 (→GE,EE)

Annotation in FEO

..

The line showing the course of the separated accompaniment voice was added by Chopin in FEO.

category imprint: Differences between sources

issues: Annotations in teaching copies , Annotations in FEO