I have been making a number of films of water moving. I had bought a video camera along and I set it up on a tripod on a little peninsular jutting into the lake. I left the camera running and concentrated on listening. I guess everybody does this sometimes, to focus only on what you can hear as if it were music. It was easy to do here as the only sounds were the birds and the quietly lapping water. After a while I returned to the car with all the equipment and decided it was time to find the road to Oslo. I inserted the Led Zeppelin CD and dove off, sending up a spray of gravel