GE1
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b. 124
Chopin changed the slur for the lower voice (a-g) to a slur over the upper voice while proofreading FE1. The latter intentionally pertains probably to the whole R.H. part and therefore to the lower voice as well.
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See b. 20
category imprint: Differences between sources; Corrections & alterations
issues: Authentic corrections of FE
notation: Slurs