80s Roll 9: Run-DMC revolutionized hip-hop in the year of "Breakin' 2: Electric Boogaloo"

Hosts Nate Wilcox and Ed Legge continue their discussion of Michaelangelo Matos' "Can't Slow Down: How 1984 Became Pop's Blockbuster Year" with a look at hip-hop in 1984 from the deluge of quickie exploitation movies, an attempt at a hip-hop Soul Train, the rise of Run-DMC and the meeting of Russell Simmons and Rick Rubin that resulted in Def Jam record…