Sound sculpture is an overused analogy in music circles, especially techno, but it becomes a fitting term to use for the productions of Stewart Walker. Influenced by the work of Alexander Calder, a sculptor of large outdoor pieces called "stabile" (abstract mobile-like pieces made of sheet metal), Walker composed a set of stark, hypnotic tracks of minimalist techno for his first full-length, released on Mille Plateaux in 1999. Growing up in Atlanta, Walker listened to the Beatles and played guitar in a folk style learned from his parents, who had played in a folk group during ...