BBC building 'hacked' to play music
A technologist has 'hacked' the exterior of BBC's Old Broadcasting House building to use its plaque as a musical instrument.
Bruno Zamborlin is the brains behind Mogees - a vibration sensor and associated app that can make music out of any surface thin enough to resonate when it is tapped.
Watch his stunt in the video above and listen to BBC World Service's Click to hear him explain more.