Filmakers and composers Nicolas Humbert and Marc Parisotto revisit the tapes recorded by Jean Vapeur for the film by Humbert & Werner Penzel, "Step Across the Border" with soundtrack by Fred Frith, extracting more of Vapeur's fascinating field recordings and adding music by Fred Frith with additional music & voice from Tom Cora, Iva Bittova, John Zorn, &c.