The flat added in GE2 (→GE3→GE4) is certainly non-authentic. Moreover, there is no reason to suppose Chopin's oversight, as e1 is harmonically more justified than e1 due to the dominant harmony of the next bar. Chopin would frequently use this type of harmonic advances in figurations. In order to avoid doubts in the main text, we add a cautionary . The revision of subsequent GE,s was repeated in EE4.
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category imprint: Differences between sources; Editorial revisions
issues: GE revisions
notation: Pitch