Mashley's Easy:
The whistles in the verse are really grating, man. Might want to use soft sounds or something.
00:19:115 (2,3) - One place to the right to preserve spacing.
00:27:463 (2,3) - One place to the left to preserve spacing.
01:15:072 (2) - Looks pretty awkward being covered so much by the slider. Consider stacking it with 1.
Insane:
00:40:637 (4) - Considering the previous lengths of combos, you might want to put a new combo here.
00:49:506 (4) - As above, but more optional and such since it's not as long and it's connected to the same instrument, so it's more reasonable to keep it as is.
01:01:246 (6,7,8,9,10) - Raise this up to make 5 to 6's spacing a bit more consistent with the rest of the map.
01:08:811 (1,2,3,4,5,6,7,8,9,10,11,12,13) - I suggest splitting this up with a couple of new combos. It is excessively long, you know.
01:25:246 (1,2,3,4,1,2,3,4) - It would be nice if you put a whistle on the start of 3 in this and the rest of the section. It's a bit devoid of hitsounds and that's a simple way of hitsounding it up. Similar sort of stuff for Normal too.
01:55:767 (4) - Considering the previous lengths of combos, you might want to put a new combo here.
02:04:115 (4) - It also makes sense to use a new combo here.
02:09:072 (3) - Also here.