Musicians Sheryl Crow, Herbie Hancock, and will.i.am perform in front of the Lincoln Memorial during the "We Are One: The Obama Inaugural Celebration At The Lincoln Memorial" on January 18, 2009 at the National Mall in Washington, DC. from Will.I.Am

Musicians Sheryl Crow, Herbie Hancock, and will.i.am perform in front of the Lincoln Memorial during the "We Are One: The Obama Inaugural Celebration At The Lincoln Memorial" on January 18, 2009 at the National Mall in Washington, DC.

Photo By: Chip Somodevilla/Getty Images

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