Keith Urban

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In this Jan. 8, 2013, photo, from left, Mariah Carey, Keith Urban and Nicki Minaj from "American Idol" attend the Fox Winter TCA Tour at the Langham Huntington Hotel, in Pasadena, Calif. (Photo by Todd Williamson/Invision/AP)

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**FILE** This image released by Fox shows the new judges for the singing competition series, "American Idol" (from left) Mariah Carey, Keith Urban and Nicki Minaj and during a news conference in New York on Sept. 17, 2012. (Associated Press/Fox)

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Keith Urban and the Grammy Camp Band perform during the American Country Awards on Monday, Dec. 10, 2012, in Las Vegas. (Al Powers/Powers Imagery/Invision/AP)

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Blake Shelton, left, and Keith Urban perform during a tribute to Willie Nelson at the 46th Annual Country Music Awards at the Bridgestone Arena on Thursday, Nov. 1, 2012, in Nashville, Tenn. (Photo by Wade Payne/Invision/AP)

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Keith Urban arrives at the 46th Annual Country Music Awards at the Bridgestone Arena on Thursday, Nov. 1, 2012, in Nashville, Tenn. (Photo by Chris Pizzello/Invision/AP)

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Musician Keith Urban, left and actress Nicole Kidman arrive at the 64th Primetime Emmy Awards at the Nokia Theatre on Sunday, Sept. 23, 2012, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

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Singer-rapper Nicki Minaj (left) and country crooner Keith Urban will join "American Idol's" panel of judges this season. (AP Photo)

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Keith Urban (left) greets Don Williams on the stage to perform during a concert Tuesday in Nashville, Tenn. "I heard more records in my house growing up by this guy than anybody," Mr. Urban said. (Associated Press)

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Keith Urban

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ASSOCIATED PRESS Keith Urban talks about his Get Closer Tour in Nashville, Tenn. "I'm just trying to make sure that everybody, no matter where they're sitting, feels connected to what we're doing," he said.

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ASSOCIATED PRESS Keith Urban performs during the Country Music Association's Fan Fest last week in Nashville, Tenn. His latest tour starts Thursday in Biloxi, Miss.