Bill Fontana, based in San Francisco, is a pioneer of sound art and a guy to pay attention to. His latest installation is a resonation-portrait of the industrial area hugging the Duwamish River in South Seattle, near the art gallery Western Bridge. Fontana will pipe sounds from the neighborhood (machinery, trucks, trains) into the darkened gallery, where steel and glass objects found nearby and brought inside will act like musical instruments, shaping the sounds. (Western Bridge, 3412 Fourth Ave S, 838-7444. Noon—6 pm, free.)