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b. 5-7
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composition: Op. 10 No 10, Etude in A♭ major
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In a proofreading of FE (→EE) Chopin reduced the number of accents in these bars, removing the accents at the beginning of the 1st and 3rd three-note groups of quavers. The change, together with a relevant correction of bars 1-4, homogenised the accentuation of the entire 1st eight-bar section of the Etude. In GE – probably due to an accumulation of mistakes – there are 4 accents in bar 6 and then only one in bars 5 and 7 (the accent in bar 5 was overlooked in GE3 and GE4). See also bar 8. category imprint: Differences between sources |
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b. 5-8
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composition: Op. 10 No 10, Etude in A♭ major
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In the 2nd four-bar section Chopin wrote the accidentals less carefully. In A (→FE) there are no naturals before b2 in bar 5 and d3 in bars 7-8. These patent oversights were corrected in GE and EE (in EE3 the category imprint: Interpretations within context; Differences between sources issues: EE revisions , Accidentals in different octaves , GE revisions , Errors of A |
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b. 5
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composition: Op. 10 No 2, Etude in A minor category imprint: Differences between sources issues: GE revisions |
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b. 5
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composition: Op. 10 No 3, Etude in E major
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In the sources, the indications concerning the e1 crotchet are unclear. The fact of shifting the accent in A to the right may be considered as an irrelevant inaccuracy of notation or a suggestion of the sign's length. The version of FE seems to be even more puzzling, especially given the fact that it was most probably corrected – over the stave, to the right of the note there are visible possible traces of deletion of the accent. It is also unclear why the staccato dot was not included neither in GE nor in EE. category imprint: Graphic ambiguousness; Interpretations within context; Differences between sources issues: Long accents , Errors in EE , GE revisions , Authentic corrections of FE |
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b. 5
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composition: Op. 26 No 1, Polonaise in C♯ minor
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A (→FE→GE1,EE) includes an erroneous A2-C category imprint: Interpretations within context; Differences between sources issues: Terzverschreibung error , Errors in the number of ledger lines , Errors of A |
in bar 7 was not completed).
indication was added by the reviser of 
tenth. It is a patent error of Chopin in the number of the ledger lines. The pitch of the note was corrected in