Issues : Errors of A

b. 48-50

composition: Op. 10 No 7, Etude in C major

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In A (→FE) there are no flats lowering b(1) to b(1) in bars 48 and 50. These evident errors were corrected in GE and EE (the accidental in bar 48 was added only in EE4).

category imprint: Differences between sources

issues: EE revisions , Accidentals in different octaves , GE revisions , Errors of A