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Bangor Cathedral has first all-girl choir in 1,437 years

13 November 2012 Last updated at 08:57 GMT

More than 1,400 years of tradition has just come to an end at Bangor Cathedral.

For the first time, a choir of girls has been chosen to perform a role historically taken by boys.

It is a change that is also gradually happening across the UK.

Rob Thomas met the choir.