00:06:225 (2) - since you mainly follow vocals perhaps consider removing this note since doesn't seem to be following anything and it kinda makes a better buildup with the following part 00:06:413 (3,4,1) -
03:37:163 (5,1,2,3,1,2,3,4,1,2,3,1,2,1,2,3,1) - v noticeable diffspike here as well, maybe u can split the chain up with triples or stacks etc
04:07:913 (5,1,2,3,1) - is a bit too much, can nerf at least one or two jumps, maybe move 04:08:475 (3) - closer to 04:08:663 (1) -