This guy in my opinion is the best hip-hop artist out right now and his flow and lyrical talent are just insane. Because he is underground and even more so because he raps about everything that relates to GLP and non mainstream, he is as well known.
If you haven't heard of him I HIGHLY suggest going to you-tube and just typing Beast 1333, all of his songs are masterpieces so just pick a title you like and i'm sure it will be relative.
I'll start with one of his earlier songs back in 2009, "Ghost in the Machine", about our soul in our bodies.
You just can't beat the way he puts his words together. Hopefully someone else will find one they like of his and post it, I like supporting him his songs have meaning and mad skill.