A
compare
b. 43-44
Cautionary flats before the B and b notes were added in a proofreading of FE (→EE) in both bars. However, in bar 43 the signs were put (certainly erroneous) only before the 8th demisemiquaver of the roulade.
Compare the passage in the sources »
category imprint: Differences between sources; Editorial revisions
issues: Cautionary accidentals, Authentic corrections of FE
notation: Pitch