A
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In both bars in GE2 (→GE3) the 
lowering a1 to a flat1 was moved from the 1st note of that pitch to the next one. This revision doubtless stems from the mistaken idea that the curved lines under the thirds in bars 33-34 and 34-35 are ties sustaining a flat1 notes.
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category imprint: Differences between sources
issues: GE revisions
notation: Pitch