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b. 147

composition: Op. 22, Polonaise

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Just like in b. 139, in the main text we add a cautionary  before g2.

category imprint: Editorial revisions

b. 148

composition: Op. 22, Polonaise

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In the main text we add a cautionary  before e1.

category imprint: Editorial revisions

b. 149

composition: Op. 22, Polonaise

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There is no  lowering G to G at the beginning of the bar in FE (→EE1). This mistake, if committed by Chopin, would prove his anticipatory thinking – modulation to the key of B minor/G major was already determined in the previous bar, hence the use of G could have already been considered obvious (in FE the spaces between the notes suggest that the  before g and maybe even all 3 L.H. flats were added at the time of proofreading). The accidental was added in the remaining editions. 

category imprint: Interpretations within context; Differences between sources

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

b. 149

composition: Op. 22, Polonaise

Accent in FE (→GE1,EE)

No mark in GE1a (→GE2GE3)

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Due to the graphic retouches of this fragment of the page, GE1a overlooked the accent over the last R.H. quaver, which was also repeated in GE2 (→GE3).

category imprint: Differences between sources

issues: Errors resulting from corrections , Errors in GE

b. 149

composition: Op. 22, Polonaise

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Due to the graphic retouches of this fragment of the page, GE1a is lacking in demisemiquaver secondary beams in the R.H. beams on the 2nd and 3rd beats of the bar.

category imprint: Interpretations within context; Differences between sources

issues: Errors resulting from corrections , Errors in GE