Jesse Colin Young's cause of death has been revealed. The Aiken County Coroner's Office confirmed to PEOPLE that the Youngbloods' frontman died of complications of cardiac, atherosclerotic and hypertensive cardiovascular disease on Sunday,

Jesse Colin Young, lead vocalist for the Youngbloods, sang the '60s hit song "Get Together." He died of a heart attack at the age of 83.

Jesse Colin Young, the singer, songwriter and founding member of the Youngbloods, the 1960s group best known for their top 10 hit “Get Together,” has died. He was 83. Young died Sunday in his home in Aiken, South Carolina, his wife and manager, Connie Young, announced.