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. 21, Concerto in F minor, Mvt I
Change of the time signature from 
to 
is one of the most characteristic inaccuracies of first editions of Chopin's works – see e.g. the Sonata in B
minor, Op. 35, 1st mov., bar 1.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Errors in GE, 4/4 or 2/2, Errors repeated in FE, Errors repeated in EE
notation: Rhythm
