When you look at a guy like a Jay-Z or look at a guy like a Nas, you don't necessarily qualify them as conscious rap purely, although they are extremely conscious of the social inequities that prevail.

What disturbs or assures us about race has very little to do with blood or biology. Race is about how you use language, understand your heritage, interpret your history, identify with your kin, figure out what your meaning and worth to a society that places values on you beyond your control. And it's also about what people see you as - or take you to be.

Bill Cosby is a famous black guy who has a bully pulpit the size of the world; it's global. He puts his colossal foot on the vulnerable necks of poor people, and as a result of that, we don't have a balanced conversation.

White-on-white crime is a devastation in America like so-called black-on-black crime. It's not black or white-on-white crime. It's proximity murder.

You cannot hear the name Martin Luther King, Jr., and not think of death. You might hear the words 'I have a dream,' but they will doubtlessly only serve to underscore an image of a simple motel balcony, a large man made small, a pool of blood. For as famous as he may have been in life, it is - and was - death that ultimately defined him.

Gangsta rap often reaches higher than its ugliest, lowest common denominator, misogyny, violence, materialism and sexual transgression are not its exclusive domain. At its best, this music draws attention to complex dimensions of ghetto life ignored by most Americans. Indeed, gangsta rap's in-your-face style may do more to force America to confront crucial social problems than a million sermons or political speeches.

Hip hop music is important precisely because it sheds light on contemporary politics, history, and race. At its best, hip hop gives voice to marginal black youth we are not used to hearing from on such topics.