5. Barry McGuire, 'Eve of Destruction'
Bob Dylan was mostly done releasing protest songs by 1965, creating a vacuum that Barry McGuire was all too happy to fill. His cover of P.F. Sloan's "Eve of Destruction," a tune originally presented to the Byrds and the Turtles, became a Number One hit. These were the early days of the Vietnam war, but the Cuban Missile Crisis was a very recent memory and there was widespread fear of a nuclear war. McGuire later turned towards Christian music, but he still performs "Eve of Destruction" at his gigs.