I’m still lost. The key it’s in has no bearing on the discussion here. Having the ‘wrong’ key signature can produce wrong enharmonic spellings and an occasional bad choice of upper extension, but my comments on that fell flat with no acknowledgement or interest.

This diagram https://drive.google.com/file/d/12ZdDoDvkX3JfatA82fLP8oy-nzrgPT4S/view

Is a mess. I don’t know how that was produced but draw no conclusions from it. I started reading and it’s way wrong.


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