Songs In My Opinion:
ROCK:
http://www.youtube.com/watch?v=GN57SsrZeQI
http://www.youtube.com/watch?v=AMYzsb_33RI
http://www.youtube.com/watch?v=WmfasWzdyHs
METAL:
http://www.youtube.com/watch?v=GDIR9XmvFdE
http://www.youtube.com/watch?v=vXuMJX9L2es
http://www.youtube.com/watch?v=S-x95Q0SJfY
RAP:
http://www.youtube.com/watch?v=p18uNMfwp34
http://www.youtube.com/watch?v=JNcloTmvTeA
http://www.youtube.com/watch?v=ywmMO8iilaE