NEW YORK, NY - APRIL, 1968: People gather around a guitarist at Thompkins Square Park on the Lower East Side circa April, 1968 in New York, New York. (Photo by Robert Altman/Michael Ochs Archives/Getty Images)
NEW YORK, NY - APRIL, 1968: People gather around a guitarist at Thompkins Square Park on the Lower East Side circa April, 1968 in New York, New York. (Photo by Robert Altman/Michael Ochs Archives/Getty Images)