“Well, the shopping cart I had, for instance, we were just using it for transport reasons, and after a while I just put a contact mic onto the wiring of the basket, and dragged a stick along the side. Why not? It sounded great! Sometimes we just get something and make an instrument out of it. [...] I’m thinking that I’ve already been through most materials... Plastic, wood, polystyrene, metal — all kinds of metal... Aluminum, brass, hardened steel... I’ll tap anything.”