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b. 19
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composition: Op. 29, Impromptu in A♭ major
..
In GE1 the 9th quaver is g, which is certainly a mistake, a typical mistake of "thirds". In GE2 (→GE3→GE4) the correct text was reinstated. In EE there is a cautionary flat before the appropriate note (e category imprint: Differences between sources issues: EE revisions , Errors in GE , Terzverschreibung error |
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b. 19
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composition: Op. 29, Impromptu in A♭ major category imprint: Differences between sources; Editorial revisions issues: GE revisions , Cautionary accidentals |
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b. 20
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composition: Op. 29, Impromptu in A♭ major
..
The range of the crescendo hairpins in A is ambiguous. We assume the upper arm to be determining. The sign was similarly interpreted in GE. In FE the sign is placed quite earlier, under the 2nd quaver, while EE is totally lacking it. category imprint: Graphic ambiguousness; Differences between sources issues: Scope of dynamic hairpins , Errors in EE |
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b. 21-22
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composition: Op. 29, Impromptu in A♭ major
..
The slurs in A in bars 21-30 are written in a quite precise manner. Without any doubt, it was the beginning and ending of the slur at the transition to the new great stave (after bar 21) that was most problematic for the engraver; they were interpreted as a single, long slur. FE and EE have two slurs here, which is most similar to A. In GE2 (→GE3→GE4) in bar 21 there are two slurs and a long slur from bar 22 matching A's slurring. category imprint: Differences between sources issues: Errors in GE |
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b. 21
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composition: Op. 29, Impromptu in A♭ major
category imprint: Differences between sources issues: Annotations in teaching copies , Errors in FE |
). 
