Sidney 'Omen' Brown Cause of Death

Last September music producer Sidney 'Omen' Brown was found dead in his New York City apartment [click here if you missed that].

Omen's cause of death has been determined...

From TMZ

According to the medical examiner, Brown passed away from atherosclerotic cardiovascular disease. The manner of death was determined as natural.

The disease -- otherwise known as ASCVD -- is caused by plaque buildup in your arteries.

Omen has produced music for Beyoncé, Drake, Ludacris, Lil Wayne and others.