on playgrounds like this one where people would gather to spin records and recite their own lyrics, their raps, over the instrumental section. come on, now. ♪ brakes on a bus, brakes on a car ♪ "the breaks" was kururtis blows biggest hit, selling 680,000 copies last year and hitting the top of the rhythm and blues sales chart. lover: as a young kid running around with the local dj crew, i watched the transition from all of the disco music ththat we useded to play at all thehe block pararties to slowly but surely hip-hop taking over. [ hip-hop p music playays ] woman: the music underneath rapping is called scratching, and it's a process of using two turntables and a mixer, making new sounds out of already existing albums. thing that gave life to music in the '80s for me was hip-hop because it took the sounds of the '60s a and '7s and d brought itit to the fofor. ♪ a a child is s born withth no state e of mind ♪ ♪ blind to the ways of mankind ♪ ♪ god is smiling on you but he's frowning too ♪ ♪ because only god knows what you gonna do ♪