You're getting better at it each time ,Good work bro!

as for the songs... If u need some Dubstep then...

Breaknoise - Chicken Zinger
Chrispy - Bass Invaders (Red Alert)
Zero G - Ransom
Alex Clare - Too Close
Tomba ft. Shay - The Goblin
Xzert - Hurricane (Dubstep VIP)
Emptysight - Nuke (DJ Rise Remix)
Place 2B - Bad Santa
Noisia - Machine Gun (16 Bit Remix)

 Hope I helped