In the main text we give the metronome marking introduced by Chopin in a proofing of FE (→GE,EE). The slightly faster tempo than the one written by Chopin in A is compatible with the rhythmic changes in a few fragments of the Etude – in bars 27, 30 and 32 Chopin withdrew from the use of demisemiquavers.
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category imprint: Differences between sources; Corrections & alterations
issues: Metronome tempos, Authentic corrections of FE
notation: Verbal indications