1968: A year before Woodstock, the East Coast sees its first 3-day rock festival, the Miami Pop Festival. Headliners include: Chuck Berry, Marvin Gaye, The Turtles, Joni Mitchell, Procol Harum, Steppenwolf, Canned Heat, Iron Butterfly, The McCoys, Fleetwood Mac, The Box Tops, Three Dog Night, Pacific Gas and Electric and The Grateful Dead.