On august 15th, the Bethel Woods Center for the Arts will host the 40th anniversary Woodstock concert. The venue was built on the site of the dairy farm that was trampled by some 400 thousand fans back in 1969. On the bill for August 15 are The Levon Helm Band, Jefferson Starship, Big Brother and the Holding Co., Ten Years After, Canned Heat, Mountain, and Country Joe McDonald.