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Standing in Shawn Decker’s sound installation A small migration is like being inside an exploded piano, or more precisely it is like standing inside the moment of explosion. The component parts of the work are suspended around me as though frozen in time. Still, yet full of potential movement; they generate a physical sense of imminence. At either end of the gallery large wooden frames support scaffolding bars rigged by chains from the ceiling. Piano wires are stretched across the gallery between the frames. At one end small striker motors are positioned alongside each wire; the installation responds to a series of computer-generated algorithms which trigger the motors that strike the wires. From A deep vibration: A small migration by Lizzie Muller