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b. 16-23

composition: Op. 63 No. 1, Mazurka in B major

No markings in AI

 &  in FE (→GE,EE)

category imprint: Differences between sources; Corrections & alterations

b. 16-17

composition: Op. 63 No. 1, Mazurka in B major

 in b. 17 – AI & contextual interpretation of FE (→GE,EE)

 in b. 16 in FE (→GE,EE), literal reading

category imprint: Differences between sources

b. 16

composition: Op. 63 No. 1, Mazurka in B major

  after AI

No markings in FE (→GE,EE)

Our variant suggestion

category imprint: Differences between sources; Corrections & alterations

b. 16

composition: Op. 63 No. 1, Mazurka in B major

Octave in AI

Single note in FE (→GE,EE)

category imprint: Differences between sources; Corrections & alterations

issues: Bass register changes

b. 20-21

composition: Op. 63 No. 1, Mazurka in B major

Continuous slur in AI & FE (→GE,EEW)

Separate slurs in EEC

category imprint: Graphic ambiguousness; Differences between sources

issues: Inaccuracies in GE , Inaccuracies in FE , EE inaccuracies , Uncertain slur continuation