GE1
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In A the third in the bottom voice is a semibreve, which is a mistake. It was corrected in GE (→FE,EE,IE). Four bars later, all sources contain the correct version. Similarly, in bar 306.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: GE revisions, Rhythmic errors, Errors of A
notation: Rhythm