



Pitch
b. 40
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composition: Op. 25 No 1, Etude in A♭ major
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In AI, Chopin introduced A category imprint: Differences between sources; Corrections & alterations issues: Chopin's hesitations , Deletions in A |
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b. 48
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composition: Op. 25 No 1, Etude in A♭ major
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Both versions are certainly authentic, yet their chronology raises some doubts. The version with e category imprint: Differences between sources; Corrections & alterations issues: Chopin's hesitations |
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b. 48-49
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composition: Op. 25 No 1, Etude in A♭ major
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Interpretation of the written in pencil ending of the Etude is impeded in AI by limited resolution of the preserved photography. Originally, the piece ends in bar 48: category imprint: Graphic ambiguousness; Differences between sources; Corrections & alterations issues: Changed phrase length |