Rage Against The Machine attracted a crowd of almost 9000 people as they headlined an anti-war concert in Denver yesterday (August 27th).
The concert at the Coliseum, held to recognise Iraq Veterans Against the War, also featured a performance from State Radio.
At the conclusion of the concert, protesters marched on the Pepsi Centre, which is currently the site of the 2008 Democratic National Convention.
Barack Obama will address crowds at the convention later after officially accepting the party's nomination to run for president.
The convention has already featured speeches from Mr Obama's defeated primary opponent Hillary Clinton and her husband, president Bill Clinton.
Rage Against The Machine, who topped the bill at last weekend's Reading and Leeds festivals, will also perform at a similar event during the Republican Convention next month.
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