If you just fell through a time portal from the 1990’s, you may be wondering what Rockwell Knuckles’ gang affiliation is. Crips? Bloods? No and no—the St.Louis native’s allegiance is to a somewhat more obscure organization known as the Bullet Train Army. This left-of-center street anthem finds Knuckles elucidating his crew’s M.O. over a sizzling synth instrumental by Brainstorm. For more fresh, innovative jams from Rockwell and his regime, check out You’re F*cking Out, I’m F*cking In, available now online.