i listen to a real mix up:
Rock:
<ul>
<li>P.O.D</li>
<li>Stemm</li>
<li>Linkin Park</li>
</ul>
Rap:
<ul>
<li>LL Cool J (mama said knock you out :P)</li>
<li>A lot of roy jones</li>
<li>Nelly (heart of a champion)</li>
<li>Trick Daddy</li>
<li>A lot of grime</li>
<li>A lot of the hard powerful stuff that gets you hyped up</li>
</ul>