Acid guru Timothy Leary is the guide to the sights, sounds and music of the      Woodstock era in this special which reunites many performers from the            legendary concert. Featured performers include The Chambers Brothers, Iron       Butterfly, Spencer Davis, Melanie, Canned Heat, Leon Russell and Edgar Winter, Blood, Sweat and Tears, Electric Flag, Mark Farner, It's a Beautiful Day,      Country Joe McDonald, Humble Pie and Buddy Miles. 147 mins.