i think that's that. better gather some more feedback regarding of the snapping errors & to polish the hand balance wish i could point out more but i'll leave that to you and other modders.
i wish i could play it without failing in the middle of the song tho, the jack hammer are really evil, but i think it plays fun & nicely mapped!
Map is good to be fair, so i really can't find a problem. Make sure so give the mods Kudosu's as well