Barry McGuire is an American singer-songwriter best known for his 1965 hit single, "Eve of Destruction," a protest song that became an anthem for the anti-war movement during the Vietnam era. His music is characterized by a folk rock style, influenced by the contemporary folk music scene of the 60s. After his initial mainstream success, McGuire shifted towards Christian music, becoming a significant figure in the Jesus music movement. His contributions to both protest and Christian music highlight his diverse impact on musical history.