Full length Kurtis Blow / GTV Interview from the Art Of Rap Festival 7-18-2015. Kurtis Blow talks about the origins of hip hop and rap, it's evolution and how it changed the world, NWA's straight approach, how NWA crossed over into mainstream, east coast vs. west coast rap and how NWA brought it all together. Plus exclusive scenes from the upcoming film "Straight Outta Compton" (in theaters August 14th)