Bronx-based DJs set Hip-Hop's sonic foundations. MCs, inspired by African American oral traditions, create the modern template for rap music, culminating with the emergence of Hip-Hop's first crew, Grandmaster Flash and the Furious Five.

Hip-Hop crews in the Bronx and Harlem begin to form around the DJs, but these pioneering groups never record any music. It would take R&B veterans to see the genre’s commercial potential and create Hip-Hop's first hit, "Rapper's Delight."

Run-DMC ushers in a new era of Hip-Hop. Russell Simmons and Rick Rubin build Hip-Hop's first empire, Def Jam. An unknown producer finds a new way to make beats and launches Hip-Hop's Golden Age, culminating in the epic fury of Public Enemy.