Joseph McDonald, the lead singer of Country Joe and the Fish, died Saturday in Berkeley, California, Fox News Digital confirmed.

He was 84.

Better known as "

Country Joe," the rock star died following a decline in health due to Parkinson's disease.

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He is survived by his wife of 43 years, Kathy McDonald; children Seven McDonald, Devin McDonald, Tara Taylor McDonald, Emily McDonald Primus, and Ryan McDonald; and grandchildren, Celia, Reuben, Kepler, and Marcus.

Born on

Jan.…