Omg, this is keysounded. I think I'm not going to suggest add or remove. I'll be focusing on note placements.
SPOILER00:04:520 (4520|0) - move this to 2 because of pitch
00:07:602 (7602|3) - move to 3 ^
00:11:095 (11095|0) - move to 2 ^
00:17:671 (17671|0) - ^
00:24:246 (24246|0) - ^
00:44:691 (44691|2,45000|1,45205|0,45513|2,45821|1,46027|0,46232|2,46438|0,46643|2,46849|0,47260|1,47465|2,47671|3,47671|0,47979|2,48287|1,48493|0,48801|2,49109|1,49315|0,49315|3,49623|2,49931|1,50136|0,50445|2,50753|1) - ctrl H so it wont be always repeating and boring.
01:10:273 (70273|1) - move to 3
01:51:267 (111267|2,111575|1,111883|3,112191|3,112500|3,112910|2,113219|1,113424|0,113424|3,113630|2,113938|1,114246|3,114246|0,114554|2,114863|1,115171|3,115479|3,115787|2,116095|1,116301|3,116506|1) - ctrl h
SPOILER00:08:527 (8527|2) - move to 1
00:10:171 (10171|2) - ^
00:23:219 (23219|1,23321|3,23424|0,23630|3,23835|0,23938|2,24041|3,24246|0,24246|3,24349|2,24452|3,24657|0,24657|2,24863|1,24965|3,25068|0,25273|3,25479|0,25684|3,25890|0,25993|3,26095|2) - ctrl h
00:33:287 (33287|0,33390|1,33493|2) - ^
00:33:698 (33698|0,33801|1,33904|0,34006|1,34109|2,34315|3,34520|0,34726|0,34828|2,35034|3,35136|1,35342|0,35445|2,35650|3,35856|0,35958|3,36164|1,36369|0,36472|2,36678|3,36780|1,36986|0,37089|2,37294|3,37500|0,37602|3,37808|1,38013|0,38116|2,38321|3,38424|1,38630|0,38732|2,38938|3,39143|1,39246|3,39452|0,39554|1,39657|2) - ^
00:54:452 (54452|0,54554|1,54657|3,54657|0,54863|1,54965|2,55068|0,55068|3,55273|1,55376|3,55684|1,55890|0,55890|3,56095|0,56198|1,56301|0,56301|3,56506|1,56609|2,56712|3,56712|0,56917|1,57020|3,57328|1,57534|0,57534|3,57739|0,57842|1,57945|3,57945|0,58150|1,58253|2,58356|0,58356|3,58561|1,58664|3,58972|1,59178|2,59280|0,59383|3,59589|2,59691|0,59794|3,59999|1,60102|3,60205|1,60308|3,60410|1,60616|2,60821|0,60821|3,61027|0,61130|1,61232|3,61232|0,61438|1,61541|2,61643|3,61643|0,61849|1,61952|3,62260|1,62465|3,62465|0,62671|0,62773|1,62876|0,62876|3,63082|1,63184|2,63287|0,63287|3,63493|1,63595|3,63904|1,64109|3,64109|0,64315|0,64417|1,64520|0,64520|3,64726|1,64828|2,64931|0,64931|3,65136|1,65239|3,65547|1,65753|2,65856|0,65958|3,66164|2,66267|0,66369|3,66575|3,66575|0,66678|1,66780|0,66780|3,66883|1,66986|2,67191|1) - ^ its getting repetitive. so mirror ctrl h.
01:13:972 (73972|3,73972|0,74178|1,74280|3,74383|0,74589|3,74794|0,75000|3,75205|0,75308|3,75410|1,75616|3,75616|0,75821|1,75924|3,76027|0,76232|3,76438|0,76541|1,76643|0,76643|2,76849|0,76952|1,77054|0,77054|3,77260|3,77260|0,77465|1,77568|3,77671|0,77876|3,78082|0,78287|3,78493|0,78595|3,78698|1,78904|0,78904|2,78904|3,79212|0,79212|2,79520|1,79520|3,79520|0,79828|2,79828|0,80136|1,80136|0,80239|3) - ctrl h
A really cool song and great keysounds! I'll give you the star once you give the kudosu to me