Almost directly beneath the composer Patricia Alessandrini’s feet, in a basement performance space, lurks a sheet of steel. We are sitting in the garden of a café next to Goldsmiths College, London, where she lectures in sonic arts, and after our conversation she invites me to have a look. Large enough to bend slightly under its own weight, the steel practically drapes itself over a pair of speakers lying on their backs on the floor. But for the spools of cable connecting it to a nearby laptop and mixer it could be a sculpture, or a piece of designer furniture.
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