After single-handedly redefining "warped" as the mind and mouth behind the Bronx-based Ultramagnetic MC's, "Kool" Keith Thornton -- aka Rhythm X, aka Dr. Octagon, aka Dr. Dooom, aka Mr. Gerbik -- headed for the outer reaches of the stratosphere with a variety of solo projects. A onetime psychiatric patient at Bellevue, Keith's lyrical thematics remained as free-flowing here as they ever were with the N.Y.C. trio, connecting up complex meters with fierce, layers-deep metaphors and veiled criticisms of those who "water down the sound that comes from the ghetto." His own debut si...