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Carrie Underwood says her current stage show is different from what her fans saw last fall.  The country singer explains that she had a number of reasons for freshening up her performance. 

Carrie also says she knows some fans who saw her in concert last fall will be attending her upcoming shows, and she wants to make sure they'll "be seeing something different." 

Underwood adds that her show runs almost two hours, so she wanted to make sure it was engaging for the fans from start to finish. 

She just launched the 2013 edition of her "Blown Away" tour last week, with Hunter Hayes as her opener.  

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