g.m.b.330 Matthew Marshall Akron Wat it do the names Matt Marshall aka G.M.B. (Grown Man Bidne$$) im a Akron artist from Akron, Ohio 330!!!! I rep M$G ( Mob Style Gangsters) i do it for myself as much as i do it for the fans i wanna shoutout to my boi Yung Gas n Mick B n C-MO MILEZ we here to shut it down g.m.b.330’s tracks FUCK THIS INDUSTRY by g.m.b.330 published on 2013-03-11T22:50:04Z Shut It Down- C-MO Milez Feat. G.M.B. and Mick B by g.m.b.330 published on 2013-01-11T01:59:35Z Geeked up- G.M.B. feat. HOOCHIE by g.m.b.330 published on 2013-01-11T01:33:48Z Life After Death- G.M.B. (solo) by g.m.b.330 published on 2013-01-11T01:26:05Z G.M.B. feat. Yung Vince- Put it down on you by g.m.b.330 published on 2012-12-20T02:54:03Z