EF
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The authenticity of the dynamic indications of PE in this bar (
, dim., and 
) is revealed by the insertion of the dim. indication inside the hairpins, so characteristic of Chopin. The authenticity of the 
sign in EF, defining a contrary concept, seems to be highly dubious in this case. See also the note in bar 34.
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category imprint: Differences between sources
notation: Articulation, Accents, Hairpins