Barry McGuire is an American singer-songwriter best known for his 1965 hit song "Eve of Destruction." The song, which critiques social and political issues of the time, became an anthem for the counterculture movement during the 1960s. McGuire's folk-rock style and powerful lyrics resonated with many, making him a prominent figure in the music scene. In addition to his music career, McGuire has been involved in various charitable and humanitarian efforts. He has also worked in Christian music, reflecting his personal beliefs and values. Throughout his career, he has collaborated with other artists and contributed to various projects in the music industry.