Two weeks late, but it's been hard these days...
... to get to reviewing songs. But here I am. :) I've been listening to this one for a while now and only now I've had the chance to review it. I'll reivew your other songs next if I have time. I should.
Interesting opening... I thought that was some kind of heavy filter on percussion but you introduced a new set altogether.
Not much to say about this, though it's all pretty cool... ooh, like those slipping/sliding/whatever effects. :P The airy sounds are cool, too... and I bet are why you called the song Oxygen. :) Nice, heavy kicks for the buildup, I like it.
Your melody is good. It's simple, and fitting, and the synth that plays it, while a little quiet, was a good choice as well. Not much to say here. The harmonies are similar except the synths are even better-chosen in my opinion, and just the right volume. It's fairly melodic in places, which is nice.
Your percussion... well, you are creative and those are, as always, some GREAT samples. However it is a bit loud at times and you could have turned it down just a bit, I think.
... and there's the nice ending. :) It's overall a great song, Pulstate... one I should have gotten to reviewing earlier. Keep up the great work. I've listened to One Wish - it's GREAT and I can't wait to review it. :) Looking forward to it.