Good stuff man. Like the sub...makes my eyes wobble.
Not sure about the snare tho, far too much top end for me and not enough 180-250 in there.
Piano is tight.
Hats are good.
General mix is good too.
WOW, I'm impressed mate. You actually made a good bassline! You are shifting towards Netsky big time.
In the part at the end of the intro where the drums are away, the constant bass notes are a bit too silent. Your main snare needs more smash, it sounds as if it doesn't completely fit in with the other drums, it sounds like some way to normal snare drum for DnB. The midbass that is shifted to the drums (I hope you get this) should have a little chorus/reverb on it to get it more alive. Add some "this'n thats" fx here and there to keep things on the move.
Some vocal touch would really be good on this one to keep it from becoming repetitive and you really need to work on that mixdown some more indeed. On your way up!
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lovin the bass & keys. break is tight to, but not in love w/ the snare. wow, drop from 1:11 on is really smooth. Like that little ghostly pad sample played throughout too. real nice liquid roller.
The vibe is excellent bro, now you just need to beef it up a bit! Maybe some delay on the piano - and also add some chords. Bass needs to be a tad louder. MOAR pads to the background too! Put a snappy layer on the kick.