The Concert in Central Park attendees. Although rain fell throughout the day and continued until the start of the concert, an estimated 500,000 audience members made this the seventh-largest concert attendance in the United States in history. The stage backdrop depicted an urban rooftop with water tank and air outlet, symbolic of New York's skyline. At twilight, the backing band went onstage, followed by New York's mayor, Ed Koch, who announced, "Ladies and gentlemen, Simon and Garfunkel!" The duo entered through a side stage door, took center stage amid audience applause, looked at each other and shook hands, and began the concert with their 1968
Altamont Free Concert Approximately 300,000 attended the concert, and some anticipated that it would be a "Woodstock West". Woodstock was held in Bethel, New York, in mid-August, less than four months earlier. Filmmakers Albert and David Maysles shot footage of the event and incorporated it into the 1970 documentary film titled "Gimme Shelter". According to Jefferson Airplane's Spencer Dryden, the idea for "a kind of Woodstock West" began when he and bandmate Jorma Kaukonen discussed the staging of a free concert with the Grateful Dead and Rolling Stones in Golden Gate Park. Referring to the Stones, Dryden said, "Next to the Beatles they