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b. 5

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

Double bar-line in GC

Single bar-line in FE (→EE1)

Repeat sign in GE & EE2

..

In GC the bars are separated with a double bar line, which is probably an arbitrary change introduced by the copyist (Chopin would rarely insert double bar lines, while changing the tempo or key, however, it was a commonly used practice). In GE the double bar line was arbitrarily changed to a repeat sign. It is not certain whether it is a revision or a mistake caused by a misinterpretation of the manuscript. The change, depriving the repetition of the exposition of its opening motif, was adopted in EE2 and in a vast majority of subsequent collective editions. In the main text we give a single line of FE (→EE1), which almost certainly corresponds to the notation of [A]. One can consider an addition of a slur in the L.H. in this place in the proofreading of FE3 to be another argument confirming the correctness of the text of FE – if Chopin had wanted to omit Grave at the repetition, he would have most probably noticed the absence of a repeat sign, necessary in this situation. 

category imprint: Differences between sources

issues: GE revisions , Changed phrase length

b. 7-15

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

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In GC – certainly in accordance with [A] – bar 7 is written in an abbreviated manner as a repetition of bar 6. Similar abbreviations appear also in the part of the L.H. in bars 10-11, 12 (the 2nd half of the bar) and 15.

category imprint: Differences between sources

issues: Abbreviated notation of A

b. 83

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

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This bar was written in GC twice. After having noticed the mistake, the first notation was deleted.

category imprint: Source & stylistic information

issues: Alterations in GC

b. 101-102

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

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The E1-E octave in GC and FE is written in an abbreviated manner with the help of 8.

category imprint: Source & stylistic information

issues: Abbreviated octaves' notation

b. 104-105

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

Double bar-line in GC

Single bar-line in FE (→EE) & GE

..

The double bar line is most probably a routine addition of the copyist. Its absence in GE is most probably a mistake.

category imprint: Differences between sources

issues: Inaccuracies in GE , Inaccuracies in GC