GE1
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Traces of erasures and concentration of the notes visible in A in the 2nd half of the roulade prove the fact it was being extended at the time A was written. According to us, originally the group included 15 notes and its 2nd half was the same as in bar 85.
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category imprint: Corrections & alterations; Source & stylistic information
issues: Corrections in A, Main-line changes
notation: Pitch