Oh, I really like this track - sounds like it'd make for cool background music for a game inspired by those visuals. If it were for a game I'd even understand the sonic range the arrangement uses (though I'd probably knock ya for having it loop poorly in that case), though because there's nothing else that the arrangement needs to compete with sonically the other instruments could been more generous using the upper frequencies due to the piano having a pretty stylistically heavy low pass.
That's more something to note than a critique, since this sounds great either way. Nice work!