AP Photo/Stephen Chernin
A van with "Woodstock or Bust" painted on it is parked at the original Woodstock festival site, Friday, Aug. 14, 2009, in Bethel, N.Y. A concert at Bethel Woods on Saturday will commemorate the event's 40th anniversary.
AP Photo/Stephen Chernin
Janet Huey holds her original 1969 Woodstock festival ticket during her visit to the Woodstock site, Friday, Aug. 14, 2009, in Bethel, N.Y. A concert at Bethel Woods on Saturday will commemorate the festival's 40th anniversary.
AP Photo/Stephen Chernin
Richie Havens reprises his 1969 song "Freedom" at a concert at the Bethel Woods Center, Friday, Aug. 14, 2009, in Bethel, N.Y. Havens was the opening act at the 1969 Woodstock festival. A concert at Bethel Woods on Saturday will commemorate the event's 40th anniversary.
AP Photo/Stephen Chernin
Richie Havens reprises his 1969 song "Freedom" at a concert at the Bethel Woods Center, Friday, Aug. 14, 2009, in Bethel, N.Y. Havens was the opening act at the 1969 Woodstock festival. A concert at Bethel Woods on Saturday will commemorate the event's 40th anniversary.
AP Photo/Stephen Chernin
Blue Hallock smiles as she holds a copy of Life magazine with her photo taken at the 1969 Woodstock festival, Friday, Aug. 14, 2009, in Bethel, N.Y. A concert at Bethel Woods on Saturday will commemorate the festival's 40th anniversary.
AP Photo/Stephen Chernin
Grandpa Woodstock, 65, shows a peace sign as he and his wife Queen Estar, 87, hang out near the original site Woodstock, Friday, Aug. 14, 2009, in Bethel, N.Y. Both were attendees of the original 1969 music festival. A concert at Bethel Woods on Saturday will commemorate the event's 40th anniversary.
AP Photo/Stephen Chernin
Two attendees of the original 1969 Woodstock festival hang out at a bar near the original festival site, Friday, Aug. 14, 2009, in Bethel, N.Y. A concert at Bethel Woods on Saturday will commemorate the event's 40th anniversary.
AP Photo/Stephen Chernin
Gypsy, who attended the 1969 Woodstock festival, looks at the memorial plaque at the site where the festival took place, Friday, Aug. 14, 2009, in Bethel, N.Y. A concert at Bethel Woods on Saturday will commemorate the event's 40th anniversary.
AP Photo/Stephen Chernin
The memorial plaque at the site of the original 1969 Woodstock festival is seen Friday, Aug. 14, 2009, in Bethel, N.Y. A concert at Bethel Woods on Saturday will commemorate the event's 40th anniversary.
AP Photo/Craig Ruttle
Carol Bulzone, 58, of Parksville, N.Y., wearing clothes she wore at the original Woodstock concert, stands in the crowd before the Heros of Woodstock concert at Bethel Woods Center for the Arts in Bethel, N.Y., Saturday, Aug. 15, 2009, marking the 40th anniversary of the original 1969 Woodstock concert.
AP Photo/Craig Ruttle
John Cena, of Newburgh, N.J., waits for the Heros of Woodstock concert to start at Bethel Woods Center for the Arts in Bethel, N.Y., Saturday, Aug. 15, 2009, marking the 40th anniversary of the original 1969 Woodstock concert.
AP Photo/Craig Ruttle
Levon Helm and the Levon Helm band performs during the Heroes of Woodstock concert at Bethel Woods Center for the Arts in Bethel, N.Y., Saturday, Aug. 15, 2009, marking the 40th anniversary of the original 1969 Woodstock concert.
AP Photo/Craig Ruttle
Country singer Joe McDonald plays during the Heros of Woodstock concert at Bethel Woods Center for the Arts in Bethel, N.Y., Saturday, Aug. 15, 2009, marking the 40th anniversary of the original 1969 Woodstock concert.
AP Photo/Craig Ruttle
Dale Spalding of Canned Heat sings during the Heros of Woodstock concert at Bethel Woods Center for the Arts in Bethel, N.Y., Saturday, Aug. 15, 2009, marking the 40th anniversary of the original 1969 Woodstock concert.
AP Photo/Craig Ruttle
Conrad Oberg performs the National Anthem in the style of Jimi Hendrix during the Heros of Woodstock concert at Bethel Woods Center for the Arts in Bethel, N.Y., Saturday, Aug. 15, 2009, marking the 40th anniversary of the original 1969 Woodstock concert.
AP Photo/Craig Ruttle
Members of Jefferson Starship from left, Paul Kantner, Cathy Richardson, David Freiberg and Slick Aguilar perform during the Heros of Woodstock concert at Bethel Woods Center for the Arts in Bethel, N.Y., Saturday, Aug. 15, 2009, marking the 40th anniversary of the original 1969 Woodstock concert.
AP Photo/Craig Ruttle
Leo Lyons, left, and Joe Gooch of Ten Years After perform during the Heros of Woodstock concert at Bethel Woods Center for the Arts in Bethel, N.Y., Saturday, Aug. 15, 2009, marking the 40th anniversary of the original 1969 Woodstock concert.
AP Photo/Craig Ruttle
Members of Big Brother and the Holding Company with guest Superfly, center, play during the Heros of Woodstock concert at Bethel Woods Center for the Arts in Bethel, N.Y., Saturday, Aug. 15, 2009, marking the 40th anniversary of the original 1969 Woodstock concert.
AP Photo/Craig Ruttle
Rev Jones of Mountain performs during the Heros of Woodstock concert at Bethel Woods Center for the Arts in Bethel, N.Y., Saturday, Aug. 15, 2009, marking the 40th anniversary of the original 1969 Woodstock concert.
AP Photo/Craig Ruttle
A crowd fills the lawn during the Heros of Woodstock concert at Bethel Woods Center for the Arts in Bethel, N.Y., Saturday, Aug. 15, 2009, marking the 40th anniversary of the original 1969 Woodstock concert.