A1
compare
b. 43-51
Just like in b. 12 and 20, in the main text we include the cautionary flats before a1 in b. 43 and 51, added in the first stage of proofreading of FE (→EE).
Compare the passage in the sources »
category imprint: Differences between sources
issues: Cautionary accidentals, FE revisions
notation: Pitch