I'm sure a lot of you have heard poems from "Def Poetry", and this is an older one but one I still really enjoy.  I also think it relates to us as writers, trying to figure out what is worth writing about and what we actually want to say.  Skip to 1:45 for the actual poem.

"I Wanna Hear a Poem" by Steve Coleman:

https://www.youtube.com/watch?v=eOum8NE5-Ns