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b. 17

composition: WN 55, Waltz in F minor

 
 
..

In F, the a-dfourths on the 2nd and 3rd beats were enhanced with an additional b. F also extended the 1st beat in the L.H. to a dotted minim.

category imprint: Differences between sources

b. 18

composition: WN 55, Waltz in F minor

 
 
 

category imprint: Differences between sources

b. 18

composition: WN 55, Waltz in F minor

 
 
 
..

The majority of the sources include two sixths: b-g1 and a-f1. In F, they were enhanced to full triads, by adding a third element. In AG, the situation is different: a leap in the descending direction to follows the g-esixth. 

category imprint: Differences between sources

b. 18

composition: WN 55, Waltz in F minor

..

In AR, AE and CC, there is a g1 instead of f1.
The flat of gin AR and AE was written by Chopin a third lower, next to the second ledger line.

category imprint: Differences between sources; Editorial revisions

issues: Accidental below/above the note

b. 18

composition: WN 55, Waltz in F minor

..

In AR, AE and AG (→CY), Chopin did not write a natural raising d2 to d2, which is evident in this context.

category imprint: Differences between sources

issues: Omission of current key accidentals