AP Source: Alicia Keys to sing Super Bowl anthem
The person spoke on condition of anonymity because the NFL has not yet announced the anthem singer.
Grammy-winner Keys released her fifth studio album, "Girl on Fire," late last year.
The NFL said in October that Beyonce will be the star of the halftime show at this year's Super Bowl. She sang the national anthem at the 2004 NFL title game in her hometown of Houston.
This year's Super Bowl teams will be determined Sunday, when the 49ers play the Falcons, and the Ravens face the Patriots.
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