NEW YORK (FOX 5 NY) - Hip hop was born in the Bronx in the 1970s. These streets coming alive with music from artists like Afrika Bambaataa and Grandmaster Flash. Rap music has evolved over the years and is more of a bedrock of pop culture these days. It's also now occasionally a teaching tool. At New Visions Charter High School in the Bronx, rap is being used for therapy.