Select: 
Category
All
Graphic ambiguousness
Interpretations within context
Differences between sources
Editorial revisions
Corrections & alterations
Source & stylistic information
Shorthand & other
All
Pitch
Rhythm
Slurs
Articulation, Accents, Hairpins
Verbal indications
Pedalling
Fingering
Ornaments
Shorthand & other
Importance
All
Important
Main


Shorthand & other

b. 6

composition: Op. 24 No. 4, Mazurka in B♭ minor

..

Visible in A is an erased repeat sign marking bar 6 as opening a section to be repeated.

category imprint: Source & stylistic information

issues: Corrections in A

b. 16-18

composition: Op. 24 No. 4, Mazurka in B♭ minor

..

There are question marks under the 3rd crotchet in bars 16 and 18 in A. Written in crayon, they probably mean the engraver's doubts as to the correct reading of the manuscript. In bar 16 this could be the question of the presence of the note e1 in the L.H. chord and in bar 18 – the note e1, suggested by a  at that height and by possible merging of the note with the ending of the .

category imprint: Source & stylistic information

issues: Foreign hand additions in manuscripts

b. 19-20

composition: Op. 24 No. 4, Mazurka in B♭ minor

..

A has got two more bars written in between bar 19 and bar 20. Those two additional bars, later deleted, contained modified versions of bars 20 and 5. They formed the 1st volta for the ending of the initially planned repeat of the section beginning in bar 6.

category imprint: Corrections & alterations; Source & stylistic information

issues: Corrections in A , Differences in form

b. 50

composition: Op. 24 No. 4, Mazurka in B♭ minor

Chord notation in A (→GEFE)

The notation of  EE

..

In EE, the authentic graphic layout of the last chord was arbitrarily changed by being broken into two voices.

category imprint: Differences between sources

issues: EE revisions

b. 62

composition: Op. 24 No. 4, Mazurka in B♭ minor

..

In A, the L.H. part in this bar was marked in an abbreviated manner as a repetition of bar 61.

category imprint: Source & stylistic information

issues: Abbreviated notation of A