FE1
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The slurs in the L.H. in bars 66-67 and 69, although they could have been added by Chopin in the proofreading of GE1, are, however, most probably an editorial revision. In both cases, the slurs of the R.H., whose compliance with Chopin's intention seems to be highly questionable, were doubled – see notes to bars 66-67 and 69-70.
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category imprint: Differences between sources
issues: EE revisions, GE revisions
notation: Slurs