Substantial is synonymous with hip-hop, from the indy label he launched, to the lyrical dexterity of his common-man flow. He has collaborated with Kool Herc, Bootsy Collins, Chew Fu, Cunninlynguists, Nujabes and Bruce Kulick & Gene Simmons of KISS. Not bad for a DMV rapper and community activist: he builds recording studios for at-risk youth, and has raised money for school music programs.
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