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Latin American fans fill stadiums to hear the powerful voice of Mercedes Sosa, a stunning performer whose stage presence and political stature have made her an idolized cultural figure on five continents for more than 40 years. Renowned as a voice of hope and justice, when she sings of the pain of exile or the joy of witnessing an end to political persecution, she’s singing from personal experience. Her music ranges from passionate tangos to traditional folk songs, all delivered in a penetrating alto that will lay patrons’ ears back even in the furthest reaches of the KenCen. At 8 p.m. at the Kennedy Center Concert Hall. $30-50. (202) 467-4600. (Bob Mondello)