On August 20, 1972, more than 100,000 people attended what came to be known as "The Black Woodstock." Wattstax - The Special Edition is the 30th anniversary release of the film that documented that historic event and includes the once-lost original ending featuring Isaac Hayes" performances of "Theme From Shaft" and "Soulsville."DVD Features: Alternate endings:Original 1973 ending, performed by Isaac Hayes Audio Commentary:Audio commentary by Chuck D, and music historian Rob Bowman Cast and crew commentaries including Isaac Hayes DVD ROM Features:Links to Wattstax website and related sites Theatrical Trailer:Original 1973 theatrical trailer 2003 Special Edition trailer