Music snapshot of 2009

Music defines moments in history. This week's inauguration is no different. Check out the lineup of musicians at the concert this past weekend. Who was selected? What did they sing/play? What did they say?

clipped from www.cnn.com Obama at concert: The dream of our founders will live on WASHINGTON (CNN) -- Inauguration revelry began Sunday afternoon as thousands of people packed the National Mall in Washington for a free concert featuring big stars. President-elect Barack Obama addressed a roaring crowd after 90 minutes of high-energy acts such as U2, Mary J. Blige, Usher and Beyonce. During U2's performance of "Pride (In the Name of Love)," a tribute to the Rev. Martin Luther King Jr., frontman Bono referenced the civil rights leader's "I Have a Dream" speech, saying that it was also, "an Irish dream, a European dream, and African dream, an Israeli dream, and a Palestinian dream." Watch performances from the concert » Stevie Wonder belted out "Higher Ground" with Shakira and Usher. Herbie Hancock backed Sheryl Crow and will i. am. as they sang Bob Marley's "One Love."