Rapping to the beat

Current reading is The Big Payback: The history of the business of hiphop, by Dan Charnas - was reading about the first appearance of rap on mainstream tv in the US, after Rapture came out - a news item on 20/20. Produced by Danny Schecter, with input from Fab Five Freddy and Debbie Harry, it screened  in spring of 1981. And of course, I found it on YouTube. Love that... fave moment -  voiceover saying "even Madison avenue uses rap music to sell boomboxes..." accompanied by a tv ad for portable tape decks, with non-rap act  Earth Wind and Fire filmed carrying boomboxes...