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The evolution of Bjork's instruments

18 July 2014 Last updated at 14:03 BST

Bjork is a musician who loves technology and it played a big part of her Biophilia project and tour which lasted for over three years.

From his studio outside London, her musical director Matt Robertson discussed the evolution of her instruments and what they mean to performance.

Watch more clips on the Click website. If you are in the UK you can watch the whole programme on BBC iPlayer.