mUltimate Chopin

Op. 28 No. 21, Prelude in B♭ major

Text Compare Notes Sources Description

Issues : Errors repeated in FE

b. 28

composition: Op. 28 No. 21, Prelude in B♭ major

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In the sources there is no  lowering d1 to d1. Chopin's attention was caught by the beginning of the bar – he removed g1 from the 1st quaver; he also crossed out the second one and rewrote it next to it. 

category imprint: Interpretations within context; Editorial revisions

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

b. 31

composition: Op. 28 No. 21, Prelude in B♭ major

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In A (→FE,FC→GE1) there is no  lowering a2 to a2. The accidental was added in EE and GE2. In addition, EE1 overlooked the  lowering g2 to g2, which was corrected in EE2.

category imprint: Interpretations within context; Differences between sources

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