Who can briefly talk about the origin of black rap? What is the spirit of black rap?

The origins of rap music can be traced back to the chanting passages in the roots of black music. By the 1970s, rap music had officially established its own style. The main contribution was attributed to the popular disco music at that time. DJs mixed the funk rhythms that were popular among black people at the time into the popular disco rhythms, and repeated the content of the same record on the record player to create their own LOOPS, along with the " With the emergence of the "DJ" method, rap began to be spread by black street culture, and derived quite a lot of branches, such as West Coast Rap (West Coast Rap), Southern Rap (Southern Rap), Pop Rap (Pop Rap), old-school Old Schold, Midwest Rap, Latin Rap, Hardcore Rap, Gangsta Rap, Foreign Rap, East Coast Rap (East Coast Rap), Crossover Rap, Comedy Rap, Christian Rap, Alternative Rap, etc. What we now call HIP-HOP is composed of these Genre is a new vocabulary born by combining today's popular elements.