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b. 65-96

composition: Op. 64 No 2, Waltz in C♯ minor

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In A (→GE), the entire section is written in a four-flat key signature. In the proofreading of FE (→EE), Chopin changed the notation to the one compliant with D major, prevailing in this section. AI also includes the correct notation with five flats. The notation of As, in which there is no key signature for this section, does not allow us to clearly answer the question whether Chopin considered flats before g notes to be necessary or not – he wrote them in bars 68-70 and 79-80 and omitted in bars 71-76. Considerable evidence of uncertainty surrounding the number of signs in the key signature can be found in the notation of, e.g. the Mazurkas in G minor, op. 33 no. 1 or in C minor, op. 63 no. 3, and less tangible – also in many other situations in various compositions.

Since the difference does not have any impact on the sound of music, and the notation with five flats, more convenient for the reader, was eventually introduced by Chopin, we adopt it as the only one and we do not record differences in notation resulting from the distinct number of flats in the key signature. The original notation of A and GE is conveyed by their versions "transcription".  

category imprint: Differences between sources; Source & stylistic information

issues: Chopin's hesitations , Errors of A , Authentic corrections of FE , Last key signature sign

b. 98-128

composition: Op. 64 No 2, Waltz in C♯ minor

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The bars are not written out in any of the manuscripts. In As and AI the notation ends in bar 97, while in As the return to bar 34 is implicit, whereas in AI it is marked as Dal Segno al fine. In A, the next bars are marked with subsequent numerals from 2 to 31, which corresponds to bars 34-63 and bar 64 is written out entirely, probably to facilitate orientation in the abbreviated notation – the continuation of the Waltz is also written in an abbreviated manner.

category imprint: Differences between sources; Source & stylistic information

issues: Abbreviated notation of A

b. 129-160

composition: Op. 64 No 2, Waltz in C♯ minor

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In As and AI the presence of these bars does not result from the notation – the Waltz ends in bar 128. In A bars 129-152 are not written out with notes, but only marked in an abbreviated manner (with subsequent letters) as a repetition of bars 1-24. At the same time, Chopin overlooked the 'N' letter, corresponding to bar 13 (141); this patent mistake either did not confuse the engraver of FE (→GE,EE) or it was cleverly corrected.  

category imprint: Differences between sources; Source & stylistic information

issues: Errors of A

b. 161-192

composition: Op. 64 No 2, Waltz in C♯ minor

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In As and AI the presence of these bars does not follow from the notation – the Waltz ends in bar 128. In A only bars 161 and 192 are written out with notes, whereas the first is of a partially marked nature – it is marked with the '1' digit, there is no  hairpin or pedal and the two-bar slur is almost certainly inaccurate. The slur, or rather the ending of the slur over bars 190-191, is also of this nature.

category imprint: Differences between sources