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p. 6, b. 62-77
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A has no flats before the last notes of both hands which, given the presence of naturals in the 1st half of the bar, results in e2 and e. There are many arguments pointing to the conclusion that the omission of those flats by Chopin was an oversight. The flat restoring e flat2 was added in GE (→FE→EE), perhaps on the composer's request. We add the necessary 
restoring e flat; that sign was also supplemented in GE2.
category imprint: Differences between sources; Editorial revisions
issues: Omissions to cancel alteration, GE revisions, Authentic corrections of GE
notation: Pitch