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Source:
p. 7, b. 142-161
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In A Chopin omitted a few necessary accidentals – in bar 152 the flats to g
2 at the beginning of the bar, to D and to c3, while in bar 153 the 
to g1 and the 
to A. All of them were added in GE (→FE,EE,IE).
Compare the passage in the sources»
category imprint: Interpretations within context; Differences between sources
issues: Accidentals in different octaves, GE revisions, Omission of current key accidentals, Inaccuracies in A
notation: Pitch
Missing markers on sources:
A, EE2, EE1, IE1, GE1, FE1