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Choir performs Beethoven's lost hymn

25 October 2012 Last updated at 17:28 BST

A previously unknown Beethoven arrangement for an ancient hymn has been uncovered after almost 200 years.

The passage was written in a sketchbook but had previously been regarded as an exercise or a sketch for another piece.

The BBC's Colin Paterson was there to witness the first ever performance of this historic piece.