Devon Matthews died from a heart attack Laura Dowrich-Phillips Created : 18 July 2017 T&T News Devon Matthews died from a massive heart attack. An autopsy conducted on the late singer and DJ on Monday confirmed that he died from heart failure. According to the report, Matthews died from Acute myocardial infarction, heart disease and coronary artery disease. The autopsy was conducted at the Port-of-Spain General Hospital. Matthews died after collapsing backstage at the Tribe band launch in the early hours of Sunday morning. Moments before he was onstage with DJ Shot Master J. Loop understands that Matthews was complaining of feeling unwell for weeks and visited a doctor who diagnosed him with indigestion. Hours before his passing he had shot a portion of his video for his hit 2017 song "D Journey".