0:49
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Presidential candidate Barack Obama speaking at a campaign rally, outdoors over a public address system.
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1:21
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Presidential candidate Barack Obama speaking at a campaign rally, outdoors over a public address system.
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0:44
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Arena sporting event ambiance. Crowd noise.
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0:21
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Sports arena crowd making percussive boom-boom-clap beat, a la We Will Rock You.
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0:09
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Baseball hit with crowd ambience.
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0:08
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Baseball game. Batter hits ball followed by crowd yelling.
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