First Listen! Sam, Tina and Joe Sing Britney Spears’s “3” in Glee Season 4, Episode 2: “Britney 2.0″

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Tina (Jenna Ushkowitz), Sam (Chord Overstreet) and Joe (Samuel Larsen) perform a unique, acoustic versioin of Britney Spear's dance pop hit, "3," inSeason 4, Episode 2: “Britney 2.0.”

Original airdate: Thursday, September 20, 2012 at 9pm on FOX

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