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. 25 No 8, Etude in D♭ major
The authenticity of the version with c3 is undeniable – Chopin fingered it twice and heard it then during the lessons. However, it cannot be said of the version with c
3 – the copyist or reviser of EE could have added a 
, considering the failure to preserve the rule of parallel movement of the voices to be a sign of mistake. However, it does not mean that it was like that – it could have also been Chopin that introduced this variation.
Compare the passage in the sources »
category imprint: Differences between sources
issues: EE revisions
notation: Pitch
