 Then, haunting, never-before-seen 70mm footage of the storm's aftermath provides a shocking reminder of just how vast the storm's devastation really was.Finally, returning to New Orleans in the bittersweet 2006 Mardi Gras season, the film reveals a city in the first throes of recovery – and reunites Allen Toussaint, Amanda Shaw, Chubby Carrier and Marva Wright for a passionate performance of a resonant modern hymn (written by the film's composer Steve Wood) in the oldest Cathedral in North America, New Orleans' elegant St. Louis Cathedral.The music, produced by the Audubon Nature Institute, includes performances of the jazz, blues and gospel that appeared in the film, as well as samples of Dixieland and other pieces by Fats Domino, Chubby Carrier, and the Neville Brothers.