[General]
rename "Insane" become "Lunatic", because touhou song 

[Easy]
add more hitsound please.. seems boring
00:05:605 (3) - x:209 y:289 for perfect stack with 00:04:899 (2) - 
00:19:722 (3) - x:444 y:236 for branket
01:07:546 (2) - x:148 y:176
01:09:134 - add note?
01:30:311 (4) - NC for consistency
01:41:605 (3) - x:320 y:40 for avoid little overlap.. it's better imo
01:43:369 (1) - x:28 y:188 for better flow
01:59:781 (1) - finish?
02:32:428 (2) - x:200 y:280 for avoid little overlap
02:39:487 (5,1) - swap NC for consistency
02:59:958 (2) - x:188 y:136 for better flow
03:04:899 (3) - finish

[Normal]
00:07:017 (1) - [url=http://puu.sh/37dad.jpg]for better flow[/url]
00:18:311 (1) - 1 grid up for perfect stack
00:19:722 (1) - ^
00:24:664 (2) - don't stack it, make confused for newbie
00:26:075 (2) - ^
00:30:311 (2,4) - ^
00:39:487 (2,2) - ^
00:43:722 (1) - finish
00:50:781 (5,6) - don't stack
00:53:605 (3) - ^
so many stack Q_Q

[Hard]
00:06:664 (4) - make confuse
00:09:487 (4) - same as above
00:31:722 (2) - spacing issue (0,51x)
00:35:781 (2) - ^ (1,06x)
00:43:369 (3) - ^ (0,51x)
00:44:075 (1) - finish
00:47:605 (2) - spacing (0,50x)
still problem with confuse stack Q_Q

sorry can't mod insane
GL