AFP and MTV report:
The celebrity sightings didn't end there. Sheryl Crow and Will.I.Am collaborated on Bob Marley's "One Love," while Usher, Shakira and Stevie Wonder joined up for "Higher Ground."
The big performances of the night came at the end. U2 performed two of their hits, , "Pride (In the Name of Love)" and the Obama-approved "City of Blinding Lights," noting that the whole world is ready for Obama's presidency.
Obama sings at inaugural concert
President-Elect Obama inaugural concert speech