Composer Philip Sheppard has arranged 205 national anthems for the 2012 Olympic Games.
The anthems, which were recorded by the London Philharmonic Orchestra, will be played at medal ceremonies at the 2012 Olympics this summer.
The anthems all get used at a welcome to the Olympic village, he explains, even if 140 countries have never heard their own anthem at a medal ceremony.
He played the shortest anthem, Uganda's, as well as the most obscure, Bhutan's, live on the programme.
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