GE
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b. 3
In GE2 (→GE3) a cautionary was added before a1 on the last chord. That unjustified revision was probably done to imitate Chopin's signs in analogous bars 11, 51 and 59.
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See b. 11
category imprint: Differences between sources
issues: GE revisions, Cautionary accidentals
notation: Pitch