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b. 101
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composition: Op. 29, Impromptu in A♭ major
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FE is lacking the d category imprint: Differences between sources issues: Errors in FE , Accidentals in different octaves |
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b. 102
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composition: Op. 29, Impromptu in A♭ major
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The sources differ slightly in the range of the crescendo hairpins whose beginning is placed under the 3rd (A), 2nd (FE) or 4th (FE) quaver. We adopt the notation of A (→GE). category imprint: Differences between sources issues: Scope of dynamic hairpins |
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b. 103
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composition: Op. 29, Impromptu in A♭ major
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In A there are two naturals written by someone else next to the following notes: a category imprint: Source & stylistic information |
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b. 103
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composition: Op. 29, Impromptu in A♭ major
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The mordent sign was overlooked in FE. In analogous bar 21 Chopin added the appropriate sign in the pupils' copies FES and FEJ. category imprint: Differences between sources issues: Errors in FE |
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b. 103-104
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composition: Op. 29, Impromptu in A♭ major
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In EE the indication crescendo was divided into 2 parts –probably due to the engraver's arbitrary decision. On the other hand, the lack of dashes in bar 104 may be concerned as an error and a significant oversight modifying the range of crescendo. category imprint: Differences between sources; Editorial revisions issues: Abbreviated indications |
1 flat. The error certainly stems from the oversight of the previous d quaver with a natural, placed one octave lower. 
