Brazil's President Dilma Rousseff holds the Caxirola, musical instrument to be used at the 2014 Brazil World Cup and created by artist Carlinhos Brown, during the opening of Brown's "O Olhar Que Ouve" exhibition at the Planalto Palace in Brasilia April 23, 2013. REUTERS/Ueslei Marcelino (BRAZIL - Tags: POLITICS SPORT SOCCER WORLD CUP SOCIETY) - RTXYX45



Geo Quiz: Organizers of the next World Cup in Brazil this week introduced the official musical instrument for the soccer tournament. Can you name it?

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