A
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The change of top notes of the bottom voice of the R.H. from b-a in AI to a-b in A must be considered as final. Chopin did not change anything in this place, despite the fact that in a proofreading of FE he must have introduced various corrections and additions in this bar – he added poco rall., as well as changed something in the 2nd half of the bar on the top stave, where one can see traces of corrections concerning note heads.
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category imprint: Differences between sources; Corrections & alterations
notation: Pitch