Issues : Inaccuracies in A

b. 52

composition: WN 37, Lento con gran espressione

f in A1, possible reading

g in CJ, CK (→CB) & EL

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The last L.H. quaver in A1 is written inaccurately – one can see it as f or g. In the main text we give g, which was most probably present in [A2] (→CJ,CKCB) and EL.

category imprint: Graphic ambiguousness

issues: Inaccurate note pitch in A , Inaccuracies in A

b. 63

composition: WN 37, Lento con gran espressione

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There is no accidental before the 6th L.H. quaver in A1, CJ 7 CK. The inaccuracy, frequent in Chopin's works, was corrected in CB & EL.

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , Inaccuracies in A , Balakirev's revisions , Revisions in EL