mUltimate Chopin

Op. 28 No. 17, Prelude in A♭ major

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Issues : Deletions in A

b. 49

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

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In the chord on the 4th quaver in the bar, FCI includes an additional note (c2). The fact that it was crossed out in A proves that Chopin abandoned it only at the final stage of work on the Prelude.

category imprint: Differences between sources; Corrections & alterations; Source & stylistic information

issues: Corrections in A , Deletions in A , Accompaniment changes

b. 54

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

 under 3rd quaver in A (→FC→GE)

 under 2nd quaver in FE (→EE)
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Chopin prolonged pedal in this place, which is proven by  having been crossed out at the end of b. 53 (which we can see in A). The composer's intention was distorted in FE (→EE) by placing the mark a quaver earlier. A similar shift of the  mark (for the pedal to encompass the first octave of the chromatic bass sequence) can also be seen in A in b. 50.

category imprint: Differences between sources; Corrections & alterations; Source & stylistic information

issues: Inaccuracies in FE , Corrections in A , Deletions in A