00:37:497 (37497|4,37553|2,37608|4,37664|2,37719|4,37775|2,37830|4) - The actual emphasis is on the scratch and drum sounds, and I don't think it's appropriate to represent them with a trill.
i think maybe you've expressed the middle ground, but how about emphasizing one or the other?
I mean the only expressive sounds in this section are scratches and drums.
I was told that the current trill pattern is for scratch only, but that doesn't fit with the trill to me, so I think a different progression would be better.
00:37:497 - I could hear the pitch change of the scratch from here 8 times, so I recommend changing it to 1/8 snap.
like this