Rap's last hero (sorry, Wu-Tang and Lil' Wayne), aside from Busdriver, is MF Doom. He wears a mask and spits Ph.D. rhymes in a slow, Erick Sermon-like flow. No stranger to eccentric partners as his record with Dangermouse for Adult Swim showed, he was remixed by British producer Four Tet. The rest, as moms says, is historical materialism. Listen:
