Just days after the announcement of the death of DJ Unk, the Atlanta rapper known for mid-2000s hits like “Walk It Out” and “2 Step,” his wife has revealed the cause of his death. On Sunday, the musician’s spouse, Sherkita Long-Platt, told TMZ that her husband died in his sleep on Jan. 24 after suffering from a heart attack.

DJ Unk, the Atlanta rapper who scored a pair of mid-2000s hits with "Walk It Out" and "2 Step," has died at the age of 43.