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b. 8

composition: Op. 25 No 4, Etude in A minor

 in A (→FE)

No sign in FC (→GE) & EE

Our variant suggestion

..

It is unclear why the  sign visible in A (→FE) was neither in FC (→GE) nor in EE. It could have been Fontana's oversight in FC and a similar inaccuracy in the base text to EE or in the very edition. It is also possible that Chopin added this sign in A already after having prepared the copy. According to us, crescendo, although not necessarily, is not contrary to the previous dynamic nuances, hence in the main text we leave its inclusion at the discretion of the performer.

category imprint: Differences between sources

b. 8

composition: Op. 25 No 4, Etude in A minor

No markings in A (→FE,FCGE)

Pedalling in EE

Our variant suggestion

..

The pedalling in EE can be authentic. However, one cannot totally exclude an editorial revision, which could have introduced here an indication drawn from analogous bar 46.

category imprint: Differences between sources

issues: EE revisions

b. 8

composition: Op. 25 No 4, Etude in A minor

..

In EE there is no  returning f2 (despite the presence of – as in the remaining sources – cautionary  before g2). It is most probably an oversight of the engraver or copyist performing the base text to EE.

category imprint: Interpretations within context; Differences between sources

issues: Errors in EE , Cautionary accidentals

b. 8-24

composition: Op. 64 No 3, Waltz in A♭ major

..

In the main text we omit the cautionary  next to din bar 8, present in the sources. Chopin probably feared that bat the beginning of the bar may trigger an association with d2. Similarly in bar 24, which in A is marked as a repetition of bar 8. 

category imprint: Editorial revisions

issues: Cautionary accidentals , Last key signature sign

b. 8

composition: Op. 25 No 6, Etude in G♯ minor

..

Same as in bar 4, FE, EE1 and GE1 misinterpreted here the abbreviated notation of FC and of the remaining Stichvorlage manuscripts, giving the 2nd, 3rd and 4th group of semiquavers without any accidentals. The mistake was corrected in EE2 (→EE3) and GE2 (→GE3).

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Errors in FE , Errors in EE , Omissions to cancel alteration , Errors in GE , GE revisions , Inaccuracies in FC