A
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AsI - Working autograph of the score
A - Autograph fair copy
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  b. 20

f1-e1-c1 in 1st & 4th group in AsI

f1-c1-a in 1st & 4th group in A

In AsI the version of the 4th L.H. figure is the initial version – cf. bar 4. Meanwhile, the notation of the 1st figure is most probably erroneous – an e seventh never occurs at the beginning of a 4th bar, neither in the theme nor in any variation. The mistake is also indicated by the way the 4 identical groups were written down – the first 2 are written out with notes, while the abbreviations marking a repetition start only just from the 3rd figure, which suggests that the first two were not supposed to be identical.

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category imprint: Differences between sources; Corrections & alterations

issues: Accompaniment changes

notation: Pitch

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Original in: Österreichische Nationalbibliothek, Wiedeń