Brother Ali isn't a black albino, his parents are white.
None of this matters though, what does matter is that his music is DOPE!

This article goes more in depth about his racial identity and how it has affected his life.

http://www.citypages.com/databank/28/1375/article15315.asp

It's easy to see how he would come to reject a white racial identity seeing how whites treated him like a sub-human freak and blacks accepted him. He's a very interesting and talented guy.