It was used to express the feelings of a certain group towards another. Hip-hop is spontaneous in the sense that the music was free-style. The artist would come on stage and start describing something interesting. In most cases, what was interesting was a bad thing perpetrated by the other gang they were competing against. They would take this opportunity to denounce this situation and propose corrective measures. At the end of the day, they would decide who carried the competition. Hip-hop culture also used drawings to spread an appropriate message to accompany their music. Finally, hip-hop has become a multi-billion dollar industry that the black community takes very seriously as a means of