Issues : Constraint from piano range

b. 239

composition: Op. 35, Sonata in B♭ minor, Mvt I

B1-B in the sources

B2-B1 suggested by the editors

..

The descending bass line in two previous bars suggests the use of a B2-Boctave, absent in the pianos being at Chopin's disposal (the range of his instruments reached C1).

category imprint: Editorial revisions

issues: Constraint from piano range