Ben Harper, left, and Natalie Maines perform at the MusiCares Person of the Year tribute honoring Bruce Springsteen at the Los Angeles Convention Center on Friday Feb. 8, 2013, in Los A

 

              Ben Harper, left, and Natalie Maines perform at the MusiCares Person of the Year tribute honoring Bruce Springsteen at the Los Angeles Convention Center on Friday Feb. 8, 2013, in Los A
Ben Harper, left, and Natalie Maines perform at the MusiCares Person of the Year tribute honoring Bruce Springsteen at the Los Angeles Convention Center on Friday Feb. 8, 2013, in Los Angeles. (Photo by Chris Pizzello/Invision/AP)