In AsI, in the 1. volta of this bar, the last 2 hemidemisemiquavers in the 4th R.H. passage are written as c2-a1. This is Chopin's mistake that remained uncorrected – cf. bar 8 (2. volta), in which the same mistake was corrected. Probably while drafting this place, Chopin initially planned to use an F major chord before writing a new version, based on a B
major chord, only in the L.H. part, which required more serious alterations, that is change of the bass note and the passage position.
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category imprint: Interpretations within context; Differences between sources
notation: Pitch