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This video is a demo of some basic elements of the Sound-wave instrument - the full version is quite a bit more enhanced in terms of sounds and waves! Alexis Kirke and Sam Freeman are set to transform the country's most technologically advanced wave tank into a giant swimming pool-sized instrument at a unique performance in October. He will conduct an 'orchestra of waves' within the main tank of the £19m Marine Building at Plymouth University shortly after its royal opening by HRH The Duke of Edinburgh on Tuesday 30th October. Alexis will exchange the conductor's baton for motion sensing pads strapped to his arms and hands, which will control the powerful wave-generating paddles. Gauges placed around the pool will measure the size and direction of the waves that Alexis creates, and will feed into a musical synthesizer, which will generate electronic sounds to accompany the aquatic acoustics.

Of the 12-minute performance -- entitled Sound-Wave -- Alexis said: "It's been a dream of mine for a while to turn water patterns into sound live on a large scale. When I heard about the wave tank, I immediately realised the opportunity to actually control the water more dynamically, as well as turn it into sound. "Initially I had visions of raising my arms like Moses and parting the water! Of course it will be less dramatic than that but nevertheless very exciting for me. I've seen the tank in action and it blew me away." The Marine Building contains a number of wave tanks and flumes that can replicate ocean and coastal conditions, thanks to wave, current and wind-generating capabilities. It is set to be at the heart of the new South West Marine Energy Park, and a hub for testing marine renewable energy equipment and technology.

In his role as composer-in-residence, Alexis aims to inspire and engage people with the marine environment through art. For Sound-Wave, he has worked with collaborator and composer Sam Freeman, as well as technicians in the building, to devise the piece. In the second movement of the three, four Plymouth University students positioned in the shallower coastal wave tank will emulate the water drumming of the African Baaka tribe. In the final movement the drummers, the electronic sounds, and the main wave tank controlled sounds will combine to create a large wave crescendo.