Before:
Dubstep from : AU5, Fractal;
House from: Tobu.
After:
MLP songs from the show, especially remixes;
Bach's fugues and Mozart's classics works, Lizts etudes and Rasphady;
Dubstep from: Au5, L.M, AjYoung, Susiki, Mentlegen, Exiark, Einarx.... etc...