Along with her sister Anna, Kate McGarrigle performs with her son Rufus Wainwright at Carnegie Hall. C Brandon/Redferns hide caption

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Natalie Maines of the Dixie Chicks got herself and the band in a tizzy when she said, "Just so you know, we're ashamed the president of the United States is from Texas," in 2003. Frank Micelotta/Getty Images Entertainment hide caption

itoggle caption Frank Micelotta/Getty Images Entertainment