Pitch
b. 15
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composition: Op. 25 No 1, Etude in A♭ major
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In A, CDP, and FE, there is no raising d1 to d1. This patent oversight was corrected in GE and EE. AI also includes the correct text. category imprint: Interpretations within context; Differences between sources issues: Accidentals in different octaves , Inaccuracies in FE , GE revisions , Omission of current key accidentals |
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b. 16
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composition: Op. 25 No 1, Etude in A♭ major
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In A, CDP, FE, and EE1, there is no raising d2 to d2. This patent oversight was corrected in GE and EE2 (→EE3). AI also includes the correct notation. category imprint: Interpretations within context; Differences between sources issues: EE revisions , Errors in FE , Errors in EE , GE revisions , Omission of current key accidentals , Errors of A |
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b. 17
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composition: Op. 25 No 1, Etude in A♭ major
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In the main text we give the version with d1, present in the majority of the sources, including in A. The version of FE could be a result of Chopin's proofreading, however, one cannot exclude a mistake of the engraver or copyist. category imprint: Differences between sources; Editorial revisions; Corrections & alterations issues: Authentic corrections of FE |
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b. 17
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composition: Op. 25 No 1, Etude in A♭ major
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In the main text we add cautionary before d2. category imprint: Editorial revisions |
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b. 18
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composition: Op. 25 No 1, Etude in A♭ major
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The version of AI, closely analogous to bar 20, is undoubtedly original. In A one can see traces of rearranging this version to the final text. category imprint: Differences between sources; Corrections & alterations issues: Deletions in A |