A new musical work being previewed at National Museum Wales in Cardiff attempts to recreate how Neanderthals might have communicated thousands of years ago.
Jazz composer Simon Thorne was given the task of creating the "soundscape" to provide a musical backdrop to some of the ancient exhibits on display.
The musician says the work is "probably the most unusual" he has undertaken.
There has been strong interest in the composition and it will go on a separate live tour later in the year.
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