But if you listen closer, there is far more to Hanson's music than his beautiful singing.

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All of a sudden, we hear a familiar voice singing beautiful harmony in the background.

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"Sandy hook elementary chorus singing America the beautiful and Alicia keys national anthem makes me proud to be American, " model Kate Upton, who was attending the game, said on her Twitter page.

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Consequently, over the past week, inhabitants of villages and parts of London under the Heathrow flight path could hear the birds singing on these beautiful spring days, not obscured by the cacophony of planes overhead.

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Gerald Rokoff, standing near a portal in the Superdome's upper deck, turned and said, "Beyond beautiful, " when the children finished singing.

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As the Duke, Piotr Beczala displays a big, beautiful tenor with great presence, but his singing has only one gear loud.

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And my mother loved that movie, with its singing and dancing against the backdrop of the beautiful green hills.

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The beautiful harmonies of Haden's daughters come from years of singing together, starting very young.

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So is there harm in singing "Winter Wonderland" or making my house beautiful?

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Ms. STATON: (Singing) I will pity that, I will pity that beautiful man.

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Ms. SIMON: (Singing) You don't have to prove to me you're beautiful to strangers.

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