everyone who has ever used a keygen knows the music usually rules.
They remind me of video game music, in fact i bet most of them are sampled from games.
check em out yall!
you can get em all here:
http://www.keygenmusic.net/?page=pack/packlist&lang=en
and play them with xmplay here:
http://www.un4seen.com/xmplay.html