mUltimate Chopin

Op. 28 No. 15, Prelude in D♭ major

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b. 47-58

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

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In A (→FC) b. 44-58 are written down as empty bars, numbered from 1 to 15, which means that b. 28-42, numbered the same, should be repeated.
In FE the repeated quavers in b. 58 are marked as a minim tremolo. In GE such a notation was used in the entire bar in b. 47-50, 52-55 and 58 (in the last one the dots over the tremolo marking were overlooked) and in the 2nd half of b. 51.

category imprint: Source & stylistic information

issues: Abbreviated notation of A

b. 47-48

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

Slur from bar 48 in A, literal reading

Slur continued from bars 44-46 in A, contextual interpretation (→FC→GE, →FE→EE)
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The discussed bars are a repetition of b. 31-32, not written out in the manuscripts, marked in an abridged manner. Therefore, we encounter here similar problems concerning the interpretation of the ambiguous L.H. slurring of A – see the note on those bars. The phrase mark written in A under signalized b. 48-58 is a new element; it suggests that their slurring should be different than the first time and that b. 47 is either to be devoid of a phrase mark or provided with the same one as in b. 31. According to us, as was the case with b. 44-46, it is the latter that is correct.
FC does not contain the phrase mark that begins in A in b. 48. Since the entire section written down in an abridged manner is devoid of L.H. phrase marks in this copy, it is the ones present in FC (→GE) for the first time that are valid. 

category imprint: Interpretations within context; Differences between sources; Source & stylistic information

issues: Inaccurate slurs in A , Errors of FC

b. 47-49

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

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EE1 has 6 sharps as the key signature on the upper staff in bars 47-49. The error, with no bearing on the actual sound, was corrected in EE2.

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Errors in EE

b. 49

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

C-c in A (→FC→GE1, →FE→EE)

E-c in FED, FES & GE2 (→GE3)
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This bar is a literal repetition of b. 33; as was the case with that bar, Chopin signalized a change of concept of the last crotchet with compliant corrections in the teaching copies. The changed version was also introduced by GE2 (→GE3).

category imprint: Differences between sources; Corrections & alterations

issues: Annotations in teaching copies , Annotations in FED , Chopin's hesitations , GE revisions , Annotations in FES

b. 50

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

Sign written into FES

No teaching fingering
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In the main text we include the mark indicating that the e crotchet should be performed by the R.H. The suggestion – facilitating the performance – was entered into FES, presumably by Chopin.

category imprint: Differences between sources

issues: Annotations in teaching copies , Annotations in FES