mUltimate Chopin

Op. 28 No. 15, Prelude in D♭ major

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Rhythm

b. 78

composition: Op. 28 No. 15, Prelude in D♭ major

No extra a crotchets in A (→FC→GE, →FE→EE1)

Additional crotchet in EE2

2 additional crotchets suggested by the editors
..

In the main text we draw additional crotchet stems next to the a notes, as was performed by Chopin in b. 3. The first one was also prolonged in EE2.

category imprint: Differences between sources; Editorial revisions

issues: EE revisions

b. 79

composition: Op. 28 No. 15, Prelude in D♭ major

..

A (→FC→GE1) gives 9 as the number of notes in the irregular semiquaver group (instead of 10). The mistake was corrected in FE (→EE) and GE2.
See also bar 4.

category imprint: Differences between sources

issues: GE revisions , Rhythmic errors , Errors of A , Errors repeated in GE

b. 79

composition: Op. 28 No. 15, Prelude in D♭ major

Synchronization sign written into FED

No teaching indication
..

The marking indicating the way the roulade should be performed against the L.H. quavers was written in FED. This is one of several examples proving that this type of irregular groups can be performed rhythmically freely, emphasizing the motivic structure of the run. Another such sign can be found, e. g. in the Nocturne in B minor, Op. 9 No. 1, bar 3, also included in Ms. Dubois's copy.

category imprint: Differences between sources

issues: Annotations in teaching copies , Annotations in FED , Synchronization markings

b. 80

composition: Op. 28 No. 15, Prelude in D♭ major

Dotted minims in A

Minims in FC (→GE) & FE (→EE1)

Minim & crotchet in EE2
..

Similarly to b. 76, both FC (→GE) and FE (→EE1) omitted the dots prolonging the d1-f1 third, and EE2 arbitrarily repeated it on the 4th beat.

category imprint: Differences between sources

issues: EE revisions , Inaccuracies in FE , Inaccuracies in FC

b. 84-85

composition: Op. 28 No. 15, Prelude in D♭ major

..

FED contains synchronization marks in the R.H. part, which indicate that the semibreves are to be performed simultaneously with the minims at the beginning of the bar. The need for such an indication resulted from the placement of those semibreves, repeated after A, i.e. in the middle of the bars – we reproduce that notation in the graphical transcription (version "transcription"). See also the note on b. 87. 

category imprint: Source & stylistic information

issues: Annotations in teaching copies , Annotations in FED , Synchronization markings