Egh don't do dubstep. Dubstep ruins everything. You had a pretty cool and solid track up until the drop. The piano/ambient part is really fucking cool and worth a solid 5 stars though. Keep up more of that! And also, more importantly than needing more complexity, your drums need more "umph" they sound too soft and generic in their current state.

This is a pretty good job for your first dubstep track. I really like your melodies, intro, and outro. I think the "dubstep" part needs some improvement. For one, your drums need some work. Dubstep usually has a syncopated kick drum, not the 4/4 pounding that you have. A snare would be nice as well. Just more complexity in the drums overall. Also your synth that starts at 1:26 goes on for a bit too long in my opinion. Some variety would be nice. Like I said, you have some really great melody stuff in the other parts of the song, and I think incorporating that into the dubstep part would really help bring the song together. I hope this helps, and let me know if you have any questions!