Issues : Cautionary accidentals

b. 6

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

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In A (→FE,FCGE) there is a  before the d2 crotchet. In the main text we omit the accidental, which was also performed in EE. The use of g1 and g in the L.H. part in the previous bar and on the 2nd quaver in this bar provides the fragment preceding the discussed note with a minor tone, which probably resulted in the need to specify its pitch.

category imprint: Differences between sources; Editorial revisions

issues: EE revisions , Cautionary accidentals

b. 31

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

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In A Chopin crossed out the  before b2 in the grace note.

category imprint: Corrections & alterations; Source & stylistic information

issues: Corrections in A , Cautionary accidentals , Deletions in A

b. 42-44

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

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Chopin used in these bars cautionary naturals before a(1) and g(1) in b. 42 and d(1) in b. 43. FC (→GE) and EE also added a  before G in b. 44. In the main text we include all the above naturals; moreover, we suggest naturals before d1(2) in b. 42 and g(1) in b. 43.

category imprint: Differences between sources; Editorial revisions; Source & stylistic information

issues: EE revisions , Cautionary accidentals , Fontana's revisions