FE1
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b. 12-20
The cautionary flats before a1 in b. 12 and 20 were added in the first phase of proofreading of FE (→EE). It is unclear whether Chopin was responsible for the entire process of that phase of proofreading.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Cautionary accidentals, FE revisions
notation: Pitch