 July 6, 1963. A year before Freedom Summer, momentum in the efforts to convince black Mississippians to take extreme risk to jobs, livelihoods, and safety was already growing. In a field in Greenwood, a young singer named Bob Dylan had joined Pete Seeger, Judy Collins, and actor and singer Theodore Bickell at a small rally with a sound system on the bed of a pickup truck. A tape recorder was also rolling.