Jim Tremayne, editor of DJ Times, a trade magazine for DJs, spoke with CNN following the tragic murder of Run DMC DJ Jam Master Jay on Wednesday night. “They came at a time when rap was not fully embraced by [even] the urban culture. … People can’t understand how important they were in pop music history,” Tremayne said. “They were absolutely as revolutionary as Elvis” when it came to popularizing rap, and it was Jay who provided the beat, he said. Read more.