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Four-storey tall 'earth harp' makes music off the walls

29 August 2014 Last updated at 01:31 BST

William Close is the inventor of the 'earth harp', a musical instrument which makes use of the architecture around it to create its sound.

The strings of the harp are attached to nearby buildings. Recently it was connected to the National Museum for a festival in Singapore.

Mr Close plays the strings, while wearing special gloves coated in violin resin, and it creates a sound uniquely affected by the environment the instrument is in.

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