mUltimate Chopin

Op. 28 No. 17, Prelude in A♭ major

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b. 19

composition: Op. 28 No. 17, Prelude in A♭ major

..

The  before the top note of the last R.H. quaver appears only in FCI. This produces no error in A and the sources retaining the original arrange­ment of chords – FC and GE – for an appropriate  appears on the upper staff before the 2nd L.H. quaver. However, in FE (→EE) which printed the entire L.H. part on the lower staff (as in our transcriptions), the accidental should have been added, but was not.

category imprint: Interpretations within context; Differences between sources

issues: Errors in FE , Errors repeated in EE

b. 19

composition: Op. 28 No. 17, Prelude in A♭ major

..

In A (→FC,FE) as well as in FCI there is no  raising e to e. The obvious Chopin's inaccuracy was corrected in GE and EE.
FC also lacks  in front of the first L.H. quaver, E. Fontana's error was corrected in GE.

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Accidentals in different octaves , GE revisions , Errors of FC , Inaccuracies in A , Errors repeated in FE

b. 20

composition: Op. 28 No. 17, Prelude in A♭ major

e-e1 in A (→FE,FC→GE) & EE2

e-e1 in EE1
..

The missing sharps before the 3rd L.H. quaver must be an inadvertence of the engraver of EE1, corrected in EE2.

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Errors in EE

b. 21

composition: Op. 28 No. 17, Prelude in A♭ major

..

In FCI and A (→FE,FC→GE1) there is no  raising g to g in the 1st L.H. chord. The patent inaccuracy was corrected in EE and GE2 (→GE3).

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , GE revisions , Inaccuracies in A , Errors repeated in GE , Errors repeated in FE

b. 21

composition: Op. 28 No. 17, Prelude in A♭ major

..

In GE the top notes of the 3rd and 4th quavers were misplaced, i.e. a third too low (3rd quaver, g-b-d1) or too high (4th quaver, g-f1-a1 when interpreted literally). In the manuscripts and GE those notes are placed on the top stave, among the R.H. quavers, which significantly hampers their interpretation.

category imprint: Interpretations within context; Differences between sources

issues: Errors in GE , Terzverschreibung error