In the main text we add a cautionary 
to b, as it was performed in GE3. The accidental is also in AI, perhaps by mistake, since it does not include the necessary lowering a
to a.
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category imprint: Differences between sources; Editorial revisions
issues: GE revisions, Cautionary accidentals, Omission of current key accidentals, Accidental below/above the note, Last key signature sign
notation: Pitch