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b. 104

composition: Op. 38, Ballade in F major

  in A (→EE,GCGE)

No sign in FE

..

The lack of a  hairpin is most probably an oversight by the engraver of FE.

category imprint: Differences between sources

issues: Errors in FE

b. 104-105

composition: Op. 38, Ballade in F major

c2 tied in A (→FE,EE)

c2 repeated in GC (→GE)

category imprint: Differences between sources

issues: Errors of GC

b. 104

composition: Op. 25 No 10, Etude in B minor

in GC, EE & GE2 (→GE3)

in FE & GE1

..

Same as in bar 1, FE and GE1 give the non-authentic  time signature.

category imprint: Differences between sources

issues: Changes of metre , Inaccuracies in GE , Inaccuracies in FE , GE revisions , 4/4 or 2/2

b. 104

composition: Op. 25 No 10, Etude in B minor

Continued slur in GC (literal reading→GE1)

New slur in GC (contextual interpretation), FE, EE & GE2 (→GE3)

..

The first slur in the R.H., in GC started too early and moved to the left, confused the engraver of GE1 who combined it with the previous one. The remaining inaccurate slurs of GC in this bar were interpreted correctly, in accordance with the version of the remaining sources.

category imprint: Graphic ambiguousness; Differences between sources

issues: Errors in GE , GE revisions , Inaccuracies in GC

b. 104

composition: Op. 35, Sonata in B♭ minor, Mvt I

No slur in GC (→GE) & FE1 (→FE2EE1)

Slur in FE3 (→FE4) & EE2

Slur suggested by the editors

..

The slur in the 2nd volta was added by Chopin in the proofreading of FE3 (→FE4). In the main text we consider it – in accordance with the sense – as continuation of the slur in bars 101-104.

category imprint: Interpretations within context; Differences between sources

issues: Authentic corrections of FE