With its unapologetically simple lyrics and pleasant pop melodies, "Oh Girl, " for instance, comes off like an early Beatles song with more of an indie-rock kick.

NPR: Cut Off Your Hands: 'Happy As Can Be'

"If I were moving to Chicago, I don't think people would be saying, 'Oh, way to go girl, you're doing it!'"

WSJ: NYC Dreams, Funded by Friends

"Oh, she was a beautiful girl, " Lillian Campbell told CNN's Jake Tapper.

CNN: Boston Marathon bombing victims: Promising lives lost

"Oh, the guy gets the girl, they fall in love, happily ever after, babies come, I thought that was one way of being loved, " said Monroe, now 26.

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Mr. AL GREEN (Singer): (Singing) Oh, yeah, I tell you something, girl.

NPR: Soul Sides: A Love for Soul Music

His song "Ai Se Eu Te Pego, " or "Oh, If I Catch You, " about meeting a pretty girl at a party, has become No. 1 on iTunes in countries throughout Europe and Latin America.

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