This was shown on BBC2 TV last night and is available on the iplayer until next Thursday 8.9.11

The iplayer option is normally only available to people in the UK

Jig: The Great Irish Dance-Off

Award-winning filmaker Sue Bourne goes behind the normally closed doors of the world of competitive Irish dance in a documentary telling the story of the 40th Irish Dancing World Championships. Thousands of dancers, their families and teachers from around the world descend on Glasgow for seven drama-filled days.

Jig: The Great Irish Dance-Off