http://www.WatchMojo.com recounts Hip Hop's historical moments. In this fifth part, we discuss how in 1984 "Rock Box" was the first rap video to be aired on MTV, how they were the first rap group to be invited on American Bandstand in 1985 and how they teamed up with Aerosmith for "Walk This Way", that reached the Top 10 on the charts, and was the first time Rock met Rap.