Op. 2, Variations in B♭ major
Op. 10, 12 Etudes
Op. 11, Concerto in E minor
Op. 21, Concerto in F minor
Op. 22, Polonaise in E♭ major
Op. 24, 4 Mazurkas
Op. 25, 12 Etudes
Op. 26, 2 Polonaises
Op. 27, 2 Nocturnes
Op. 28, 24 Preludes
Op. 30, 4 Mazurkas
Op. 35, Sonata in B♭ minor
Op. 50, 3 Mazurkas
Op. 63, 3 Mazurkas
Op. 64, 3 Waltzes
(Op. 4), Sonata in C minor
Op. 28 No. 16, Prelude in B♭ minor
In A one can see that three accidentals were crossed out; it seems that Chopin wrote them "just in case." Afterwards, it turned out that they were superfluous – the 
before the penultimate note in b. 3 and the flats before d
3 and g2 in b. 4. (We give the before a3 in our transcriptions due to the division of the bar between the lines.)
Compare the passage in the sources »
category imprint: Source & stylistic information
issues: Cautionary accidentals, Deletions in A
notation: Pitch
