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FILE - In this Jan. 21, 2013 file photo, President Barack Obama as Beyonce sings the national anthem at the ceremonial swearing-in at the U.S. Capitol during the 57th Presidential Inauguration in Washington. (AP)
The singer held a press conference Thursday in New Orleans days ahead of her half-time performance at the Super Bowl.
She said she's a "perfectionist" and wanted her performance for President Barack Obama to be a memorable one. She called the day "emotional."
Beyonce opened the press conference with live rendition of the national anthem.