Dig this – I’m sure you haven’t heard it:

[youtube]http://www.youtube.com/watch?v=ZqWLwZIncec[/youtube]

Didn’t know Dead Prez had done this:

[youtube]http://www.youtube.com/watch?v=YTAhSJt_8x8[/youtube]

And this?  A household favorite:

[youtube]http://www.youtube.com/watch?v=fM9jT2eM6KQ[/youtube]