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Bryn Terfel on difficulty of acting in opera

28 June 2012 Last updated at 12:29 BST

Bryn Terfel rose to fame after coming second in Cardiff singer of the World in 1989. Known for his grand opera roles Terfel has cornered the Wagner market with two celebrated portrayals of Wotan in the Ring Cycle.

Newsnight's Kirsty Wark went to meet him.

Broadcast on Wednesday 27 June 2012.