00:07:561 (7561|2,7632|1) - swap the columns of these to provide more emphasis to the back-and-forward scratching sound.
00:31:847 (31847|3,31847|2) - Breaks the guideline of using 1/2 chords in continuous 1/4 streams.
Something like removing the 1/4 would be okay, but if u wanted to have the stream there, just remove the chord from the highlighted notes.
00:43:990 (43990|3,44418|0) - Notes like this i'd 100 percent recommend making singles, to stop the spike in hands and make things uncomfortable, for example the triple anchors are rally hjard to distinguish
00:50:261 (50261|1) - How about col 3 to make a jack with the same-pitched melody? 00:50:118 (50118|2)
https://osu.ppy.sh/ss/18844703/9393
perhaps end 01:14:498 (74498|0,74498|1) - with a hold following the vocal?