Five People Play One Guitar

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The group Walk Off the Earth performs the song "Somebody That I Used to Know," originally by the Australian singer-songwriter Gotye. The catch? They all play on different parts of the same guitar.

It'd be easy to dismiss the five-musicians-one-guitar schtick as a gimmick, but the group actually creates a beautifully-executed rendition of the song in its own right, perfect for listening if you're celebrating Single's Awareness Day today.

Obama Sings "Sexy and I Know It"

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The same genius (and we don't use that word lightly) who made Mitt Romney rap "The Real Slim Shady" is back, this time to make Barack Obama sing LMFAO's "Sexy and I Know It." As good as it is, I still want to know what reason the president had for saying "sexy."