From AllHipHop:
Legendary DJ Mr. Magic has died from a heart attack, AllHipHop.com has confirmed with various sources.Mr. Magic was a legendary DJ who debuted in 1979 on a pay-to-play broadcast on WHBI 105.9's "The Mr. Magic Disco Showcase."
In 1983, he launched "Mr. Magic's Rap Attack," in New York City which featured a young DJ Marley Marl in addition to future Co-Chillin Record label owner Tyrone “Fly Ty” Williams.