Music and urban reality have long been intertwined. While not every rapper is affiliated, many artists come from gang backgrounds.---**Top Gangs in the U.S.**- Crips- West Coast red flags- Mara Salvatrucha- Latin Kings- Chi-Town OGs- Gangster Disciples- Outlaw bikers- LA to Chicago- 18th Street- Prison-based Hispanic group---**Gangsta Rap: The Soun