A
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b. 86
The topmost note of the last chord in the R.H. was certainly corrected in GC from a1 to b1. It is hard to state clearly whether it is Gutmann's own correction or whether it was Chopin that noticed and corrected the wrong pitch while reviewing GC. Cf. the note in bar 13.
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category imprint: Graphic ambiguousness; Corrections & alterations; Source & stylistic information
issues: Inaccuracies in GC, Alterations in GC
notation: Pitch