Biz Markie's Next Album a Mix of Covers, 'Real Rap Records'

Watch Channing Tatum Rap With Biz Markie at Comic-Con

When you think of a 3-D computer-animated film produced by Guillermo del Toro, you immediately think of proudly off-key rapper Biz Markie, right? Well, probably not, but all the fans at "The Book of Life" panel at San Diego Comic-Con on Friday (July 25) were treated to a performance of Markie's signature hit, "Just a Friend," which appears in the film.