Rock History Music video / Thursday, Feb. 5, 2026 / Chuck Negron, the acclaimed lead vocalist for the rock group Three Dog Night, passed away on February 2, 2026, at the age of 83. He died at his home in Studio City, Los Angeles, from heart failure and chronic obstructive pulmonary disease (COPD). Negron was known for singing lead on massive hits such as "Joy to the World" and "One."