That high kinda buzzy synth sound that you have floating around the top of everything forever and ever gets a bit tedious after a while, and distracts from the simple power of the rest of the song - try axing it and see if the song suffers at all. And if I was mixing this, I'd make both the pre-drum and drummed sections shorter - there's just not enough interest to sustain something this long. But shorter would work better.