The family of an Atlanta hip-hop pioneer who died on Friday revealed his cause of death. DJ Unk, whose real name was Anthony Leonard Platt, died in his sleep from a heart attack, his wife Sherkita Long-Platt told The Atlanta Journal-Constitution.

The wife of Anthony Leonard Platt, the man better known as Atlanta hip-hop icon DJ Unk, has revealed the cause of his death.

DJ Unk, the rapper best known for the bouncy crunk hit 'Walk It Out,' has died. His wife confirmed his death over the weekend and revealed his cause of death.

DJ Unk was not just a legendary DJ, rapper and producer, but a true cornerstone of our label and the imprint that he left globally will be cherished forever,” it continued. W

Now new reports have confirmed the Atlanta, Ga., rapper’s cause of death. Billboard reports how Sherkita Long-Plattt — the wife of the 43-year-old artist who may be best known for his 2006 hit single “Walk It Out” — confirmed to TMZ he passed away in his sleep after suffering from cardiac arrest.

DJ Unk, the Atlanta rapper best known for his hits “Walk It Out” and “2 Step,” has died. He was 43. Born Anthony Leonard Platt, Unk passed away on Friday, according to a statement from Korey “Big Oomp” Roberson, who founded the record label Big Oomp Records, which signed Unk in 2000.

DJ Unk, the Atlanta musician known for hits including 'Walk It Out,' reportedly died in his sleep following a cardiac arrest, his wife, Sherkita Long-Platt, told TMZ.

This article contains mention of drugs and death.  DJ Unk’s cause of death has been revealed two days after his sudden demise last week. The Atlanta MC, born Anthony Leonard Platt, died after suffering a cardiac arrest at age 43,