EEC
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b. 50-58
In the autographs the 2nd and 3rd crotchets in the L.H. underwent in bars 50 and 58 a clear evolution – the uniform version of As (with g-c1-e1 triads) was replaced in AI with a differentiated version (g-e1 sixths in bar 50 and triads in bar 58). In A and in the editions Chopin left here only sixths. Similarly in bars 114 and 122.
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See b. 34
category imprint: Differences between sources; Corrections & alterations
issues: Accompaniment changes
notation: Pitch