“How Many Roads: Bob Dylan and his Changing Times, 1961–1964” features eight short documentaries produced by the Bob Dylan Center specifically for the exhibition. From the murders of Emmett Till and Medgar Evers, to the Cuban Missile Crisis and the March on Washington, these compelling short films explore the moments in American history that shaped not only Dylan’s life and work, but also the trajectory of the nation. Stop by the Bob Dylan Center to see “How Many Roads,” before it closes Nov. 3,