The musicologist's assessment is overly generous (which is presumably why he was employed). See this debunking video:
https://www.youtube.com/watch?v=wGyfrs7CQYU
The report claims there are 10 notes in "Reunion" that match a sequence with one additional note in "Dare to Know". The pieces are in different keys, so you have to transpose them to match. That means the first note will always match! So we're down to 9 notes out of 10 matching. But the musicologist ignores 3 notes where there is a natural/flat distinction between the two pieces. So, it's only 6 notes out of 10 actually matching, I believe. So, some similarity, but not "almost identical".
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