Issues : Bass register changes

b. 50

composition: Op. 64 No 1, Waltz in D♭ major

c (with pedal) in AI, A & GE

c (no pedal) in AII & AIII

C in FE (→EE)

..

Chopin lowered the bass by one octave in the last proofreading of FE (→EE).

category imprint: Differences between sources; Corrections & alterations

issues: Authentic corrections of FE , Bass register changes