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Op. 29, Impromptu in A♭ major

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b. 90-91

composition: Op. 29, Impromptu in A♭ major

 
 
 
 
 
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We give the crescendo hairpins of FE. At the same time we correct the clearly imprecise sign in the 2nd half of bar 91 on the basis of analogous bar 9.
The signs in EE in bar 91 are probably erroneous – it seems that it is the signs from bar 92 or 94 that were placed here.
Lack of remarks in A (→GE1) is probably Chopin's oversight. In GE2 (→GE3→GE4) they were completed according to bars 9-10.  

category imprint: Interpretations within context; Differences between sources

issues: Scope of dynamic hairpins , GE revisions

b. 91-92

composition: Op. 29, Impromptu in A♭ major

 
 
 
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We interpret the beginning of the slur in A according to the remaining analogous places. In the editions the starting point is written one quaver earlier. In FE and EE the slur runs only to c3 on the 4th crotchet of the bar.

category imprint: Graphic ambiguousness; Differences between sources

b. 92-93

composition: Op. 29, Impromptu in A♭ major

 
 
 
 
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Beginning the new line in A contributed to the imprecise slurring at the transition between bars 92 and 93. According to us, it is more probable that the slur in bar 92 is supposed to end on the d2 crotchet. In GE the whole is under one slur. The slur in FE, which begins in the 1st half of bar 93, is likely to be a mistake.  



category imprint: Graphic ambiguousness; Differences between sources

issues: Inaccurate slurs in A

b. 92

composition: Op. 29, Impromptu in A♭ major


 
 
 
 
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The range of diminuendo is heterogeneously determined in the sources. In A Chopin most probably forgot to write the hairpins, which was recreated by the engraver in GE1. In other sources the dynamic hairpins were added under the influence of the analogous situation in bar 10.

category imprint: Differences between sources

issues: Scope of dynamic hairpins

b. 92-99

composition: Op. 29, Impromptu in A♭ major

 
 
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In FE the stems of the crotchets in the L.H. in bars 92-99 were overlooked.

category imprint: Differences between sources

issues: Errors in FE