Issues : Errors of A

b. 48

composition: Op. 29, Impromptu in A♭ major

 
 
 
 
 
 
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Lack of natural next to d1 is an obvious Chopin's error. The version with a (without the flat raising to a) is musically possible, yet Chopin's annotation in FES indicates rather a double error of the composer in A and FE

category imprint: Interpretations within context; Differences between sources

issues: Annotations in teaching copies , EE revisions , GE revisions , Omission of current key accidentals , Errors of A , Annotations in FES

b. 110

composition: Op. 29, Impromptu in A♭ major

 
 
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In A Chopin must have overlooked the pedal release mark, which was repeated in GE1. In the remaining sources the sign was completed.

category imprint: Differences between sources; Editorial revisions

issues: GE revisions , Errors of A