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. 35, Sonata in B♭ minor, Mvt I
All sources include naturals before d2 in bar 175 and before A in bar 176. Together with the 
in bar 172 they prove that, after having changed the key signature signs, Chopin's awareness of the key in which the music is written was not entirely formed yet.
Compare the passage in the sources »
category imprint: Editorial revisions
issues: Cautionary accidentals
notation: Pitch
