Issues : Deletions in A

b. 1

composition: Op. 28 No. 13, Prelude in F♯ major

3/2 in sources

6/4 suggested by the editors

..

In the sources, the time signature is 3/2. It is Chopin's mistake (the correct time signature is 6/4), perhaps related to the change of notation – Chopin started writing the Prelude with half the rhythmic values, which is evidenced by the reduced number of beams (one of the beams was crossed out) in the 1st accompaniment figure and by the dotted crotchets constituting the 1st R.H. chord (which was crossed out). The initial time signature was carefully blacked out, hence its interpretation is uncertain; however, it was most probably 6/8. 

category imprint: Editorial revisions; Corrections & alterations; Source & stylistic information

issues: Corrections in A , Errors resulting from corrections , Rhythmic errors , Deletions in A

b. 18-20

composition: Op. 28 No. 13, Prelude in F♯ major

..

The crossing-out visible in A before the 8th quaver in b. 18 covers probably a  (cautionary?) intended for e. Chopin realized that the accidental was not necessary here, yet in the next bars he would still write and cross out sharps before e notes, e.g. before E at the end of b. 20.

category imprint: Source & stylistic information

issues: Deletions in A , Last key signature sign

b. 21

composition: Op. 28 No. 13, Prelude in F♯ major

..

The crossing-out visible in A allows us to decipher the initial version of the last beat of the bar – it was b1, repeated in the following rhythm: .

category imprint: Corrections & alterations; Source & stylistic information

issues: Corrections in A , Deletions in A

b. 29

composition: Op. 28 No. 13, Prelude in F♯ major

..

Starting from e, 5 successive quavers in the 1st half of the bar were initially written in A an octave lower, as in the previous figure.

category imprint: Corrections & alterations; Source & stylistic information

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