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.

Two days after the death of DJ Unk, the Atlanta rapper behind the 2006 snap hit "Walk It Out," his wife has revealed the cause of his passing.

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.