Made of Imagination: Musical storm

Copper foil sheets cut into triangles, then taped on the edges with duct tape and hung on the wall to make a loud crashing noise when hit are just some of the homemade instruments in San Diego artist Scott Lingner's cacophonous symphony below.

Others include long pieces of wood with about 850 metal washers attached, all hanging from the ceiling, and a thick metal sheet with a handle attached to wobble back and forth.