JC
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The notation of PE, in which the crotchets on the 2nd beat of bars 52-53 and 60-61 are separated from quavers in lower voices, undoubtedly appeared later than the notation of JC and EF. It is compatible with other changes introduced by Chopin into [A] (in relation to [AI]), e.g., in bar 25 and analog.
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category imprint: Differences between sources
notation: Rhythm