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Source:
p. 15, b. 181-191
EE1 - First English edition
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In AsI the 
mark and the grace notes indicating the ending of the trill were most probably added later the first time (b. 182). The interpretation of the second record (b. 182' – see b. 176-180) is more difficult; however, it seems that there was a there, yet Chopin abandoned it in the layer of the latest, draft-like additions. As Chopin did not include this ornament in the final version, it is an example of the composer's hesitation, which ended in a return to the initial version. Cf. the previous bar.
Compare the passage in the sources»
category imprint: Differences between sources; Corrections & alterations
issues: Chopin's hesitations
notation: Ornaments
Missing markers on sources:
AsI, A, GE1, GE2, GE3, FESB, FE2, EE1, EE2, EE3, FE1