Several blocks from where Obama will take the oath of office, the Boy's Choir of Kenya gave an impromptu performance for anyone who happened to be nearby.

在距奥巴马宣誓就职的位置几个街区的地方，肯尼亚男孩唱诗班在向路人进行即兴表演。

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Millions of fans clearly approved of her impromptu performance, now reassured that her pipes are still fine.

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This year's event got under way on Thursday morning with an impromptu performance from flamenco guitar player Vicente Amigo and his band on the steps of Glasgow's Royal Concert Hall.

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With an impromptu a cappella performance, the boys sing their way into a deal.

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