Issues : Last key signature sign

b. 31

composition: Op. 50 No. 2, Mazurka in A♭ major

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In A1 (→FEEE) there is a cautionary  before the dminim. The absence of the sign in GE may mean that Chopin realised that it is superfluous here while writing [A2].

category imprint: Differences between sources

issues: Cautionary accidentals , Last key signature sign