Music and urban reality have long been intertwined. While not all rappers are in gangs, many artists have been influenced by street organizations.---**Major Crews Linked to Rap**- Rollin’ 60s- Bloods- Mara Salvatrucha- Chicago-origin Hispanic gang- Chi-Town OGs- Gangster Disciples- Hells Angels- LA to Chicago- 18th Street- Prison-based Hispanic g