Pipe bands tune up for world championships in Glasgow
16 August 2013 Last updated at 15:27 BST
The annual curtain raiser for the World Pipe Band Championship has begun in Glasgow.
Four pipe bands who will compete in the championships have been taking part in a "Beat the Retreat" march from the city's St Enoch Square to George Square.
Over 200 pipe bands comprising 800 pipers and drummers are expected to take part in the two day event.
The winner will be announced in Glasgow Green on Sunday.