Don't be distracted by the burst of DJ Mink's 'Hey Hey, can you relate?' at the start and keep watching. If you drive at 28mph along this road in Japan, the vibrations on your tyres play music. Presumably the next step is a duophonic version (different track on each side). Alternatively, here's how to mount a melodica in your car so it's played by the slipstream... (via Gizmodo, thanks to Steve and Martin)
Posted by Tom Whitwell.