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b. 19-20

composition: Op. 21, Concerto in F minor, Mvt II

2 long accents in A

2 short accents in GE1 (→FE)

3 different accents in EE

3 short accents in GE2

..

In the main text we give two long accents under the chords ending these bars, since all deviations from this notation present in the editions are a result of inaccuracies or arbitrary revisions.

category imprint: Differences between sources

issues: Long accents , EE revisions , Inaccuracies in GE , GE revisions

b. 20

composition: Op. 21, Concerto in F minor, Mvt II

a1 in chord in A (→GE)

No a1 in FE (→EE)

..

Omission of the anote seems to be a result of Chopin's proofreading, who could have removed it to avoid false relation with the A-a octave on the 4th beat of the bar (in analogous bar 88, in which a remained in the chord, the ending chord is different). However, the version of A (→GE) may be certainly considered an equal variant.

category imprint: Differences between sources

issues: Authentic corrections of FE

b. 20

composition: Op. 21, Concerto in F minor, Mvt II

Accent in A

No mark in GE (→FEEE)

..

The missing accent in the editions is almost certainly one of a few inaccuracies of the engraver of GE1 in this bar (cf. the remaining notes on this beat of the bar).

category imprint: Differences between sources

issues: Errors in GE

b. 20

composition: Op. 21, Concerto in F minor, Mvt II

..

The editions do not include a wavy line after the  sign, which most probably resulted from lack of space for this sign in GE1.

category imprint: Differences between sources

issues: Inaccuracies in GE

b. 20

composition: Op. 21, Concerto in F minor, Mvt II

Slur in A & GE2

No slur in GE1 (→FEEE)

..

The absence of the slur embracing the grace nots is probably a result of inattention of the engraver of GE1 (→FEEE).

category imprint: Differences between sources

issues: Errors in GE , GE revisions