July 1999 -- "River of Sand - Exploring Life on the Desert's Edge", the 50-minute documentary of Bruce Cockburn's visit to Mali in 1998 for which he also provides the musical score, has been released commercially in Canada and is available for purchase.
In addition to Bruce Cockburn's music and commentary, the documentary also includes performance footage of Cockburn playing with kora player and fellow Rykodisc artist Toumani Diabate, and Ali Farka Toure.
Visit the excellent River of Sand website which includes a multimedia RealAudio diary about the making of the documentary that includes commentary by Bruce Cockburn, as well as information on how to purchase the video.
Left: Bruce Cockburn with Malian musician Nasourou Sare (top) and West African children (below). Photos by Robert Lang, from the River of Sand website.