



Pitch
b. 26
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composition: Op. 10 No 4, Etude in C♯ minor
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There are no naturals before the B-b octave in AI. It is a patent inaccuracy. category imprint: Differences between sources issues: Accidentals in different octaves |
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b. 27
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composition: Op. 10 No 4, Etude in C♯ minor
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In AI Chopin initially wrote the 6th semiquaver as c category imprint: Corrections & alterations issues: Enharmonic corrections |
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b. 29
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composition: Op. 10 No 4, Etude in C♯ minor
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The fact that Chopin heard the E minor key in this bar (and subsequent) is revealed by the lack of category imprint: Interpretations within context; Differences between sources |
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b. 33
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composition: Op. 10 No 4, Etude in C♯ minor
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We add cautionary sharps before the 1st chord in the R.H. and the 1st semiquaver in the L.H. The signs before the chord were already added in GE4 (→GE5). category imprint: Differences between sources; Editorial revisions issues: GE revisions |
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b. 35-36
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composition: Op. 10 No 4, Etude in C♯ minor
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In both these bars, on the 12th, 13th and 16th semiquavers, AI has a c category imprint: Differences between sources; Corrections & alterations issues: Chopin's hesitations , Enharmonic corrections |