Abstract Rude's name tells a lot about the L.A. emcee. He picked up "Abstract" when interpretive dance duo Tribe Unique witnessed his crazy dance style and put a name to it. The second half of the name was added when Abstract Rude began growing dreadlocks in 1991. Older Rastas told him his locks were going to be "rude." Saturday at The Blue Lamp, Rude will bring his poetic style to live performance, incorporating everything from reggae to soul to interpretive dance. Local emcees C-Plus, Matt Cali, Illicism and Random Abiladeze will open the show, along with DJ Nocturnal. Rude became interested in hip hop at age 9, when he was inspired to break dance after seeing b-boys perform in the 19