FC
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b. 4
In AG, the text of the chord on the 2nd beat in the L.H. is ambiguous. Most probably, it lacks in c1, while the dash visible in this place results from "restarting" the pen, which - by analysing the entire autograph - would often leave two thin dashes and a blank space between them instead of a homogenous, full dash. Chopin may have automatically written two dashes in this place, trying to "restart" the pen with quick movements.
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category imprint: Graphic ambiguousness; Differences between sources
notation: Pitch