John Metcalf was born in Swansea. A joint UK/Canadian citizen, his composing career embraces a large variety of work including seven operas, two to commission from Welsh National Opera. An international consortium produced – to critical acclaim - his seventh opera Under Milk Wood in 2014.

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Since the early 1990’s a definitive series of orchestral and chamber works have helped to enhance his reputation nationally and internationally.  These include Paradise Haunts, Mapping Wales and Cello Symphony. His music has been widely recorded including on the Lorelt, Nimbus, Signum and Ty Cerdd labels. 

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In the 2012 New Years Honours List he was awarded an MBE for services to music.