Page:
Source:
p. 9, b. 141-155
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In the entire descending passage, there is not a single accidental in A. FE added only a 
to the 6th quaver (c
3); the fact that it was only the 1st octave of the passage that was proofread may indicate Chopin as the initiator of the procedure. GE and EE added all the necessary sharps.
Compare the passage in the sources»
category imprint: Interpretations within context; Differences between sources
issues: EE revisions, GE revisions, Omission of current key accidentals, Authentic corrections of FE, Inaccuracies in A, Errors repeated in FE
notation: Pitch
Missing markers on sources:
A, FE1, FE2, FED, GE1, GE2, GE3, GE4, GE1a, EE1, EE2, EE3