=== Passage A === The most notorious live performance in rock & roll lasted about fifteen minutes: three songs played at assaultive volume by a plugged-in blues band fronted by the young poet-king of American folk music, at the sacred annual congress of acoustic purists, the Newport Folk Festival. In that quarter-hour, on the warm Sunday evening of July 25th, 1965, at Freebody Park in Newport, Rhode Island, Bob Dylan, 24—backed by the electric-Chicago charge of the Paul Butterfield Blues Band—declared his independence from the orthodoxy of the folk scene and publicly unveiled his rock & roll heart...