LAS VEGAS, NV - MARCH 10: Singer Mavis Staples performs during the opening night of The Smith Center for the Performing Arts on March 10, 2012 in Las Vegas, Nevada. (Photo by Bryan Steffy/Getty ... more 
LAS VEGAS, NV - MARCH 10: Singer Mavis Staples performs during the opening night of The Smith Center for the Performing Arts on March 10, 2012 in Las Vegas, Nevada. (Photo by Bryan Steffy/Getty Images for The Smith Center) less 
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Getty Images | Photo By Bryan Steffy / Getty Images for The Smith Cente
Sun, Mar 11, 2012 7:23 AM EDT