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b. 237-239

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

..

In A there is no flat lowering G to G and g to g. This patent inaccuracy was corrected already in GE1 (→FEEE, →GE2).

category imprint: Interpretations within context; Differences between sources

issues: Omission of current key accidentals , Errors of A , Authentic corrections of GE

b. 240

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

..

In A (→GE), there is an unjustified cautionary  before d1. The sign was omitted in FE (→EE).
In the main text we add cautionary naturals before f1 and f2.

category imprint: Differences between sources; Editorial revisions

issues: Cautionary accidentals , Last key signature sign

b. 241-242

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

..

In A there are no flats lowering g1 to gat the beginning of bar 241 and at the end of bar 242. The first of them was added already in GE1 (→FEEE, →GE2), the second one – only in EE.

category imprint: Differences between sources

issues: EE revisions , Accidentals in different octaves , GE revisions , Omission of current key accidentals , Inaccuracies in A

b. 243-244

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

Tied g in A

g-a in GE

g-g-a-d in FE (→EE)

..

There is an evident non-compliance of the part of the L.H. in A with the cello and double bass sequence in Morch within ½A:
.
In the version of GE, coming probably from Chopin, the harmonically inexplicable middle pedal note g was removed in bar 244. Chopin introduced full compliance of the bass sequence in the piano and orchestra in the proofreading of FE (→EE), which we present in the main text.

category imprint: Differences between sources; Corrections & alterations

issues: Accompaniment changes , Authentic corrections of FE , Authentic corrections of GE

b. 243

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

..

In A there is no  before the 1st crotchet. The patent inadvertence was corrected in GE (→FEEE).
In FE there is no  lowering g to g on the 2nd beat of the bar. It must be a side effect of an inaccurately implemented proofreading of the part of the L.H. encompassing bars 243-244. The mistake was corrected in EE.  

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Errors in FE , GE revisions , Omission of current key accidentals , Errors of A