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. 25 No 2, Etude in F minor
In AW the first crotchet was originally an a2, which Chopin changed to b
2. At the same time, the consequences of the change were not checked – there was still a 
before the 2nd quaver (a
2), superfluous in the new situation, while b2 was not returned on the 6th quaver. Preparing the piece for print, the composer returned to the initial notation.
Compare the passage in the sources »
category imprint: Differences between sources; Corrections & alterations
issues: Chopin's hesitations, Enharmonic corrections
notation: Pitch