World Cup players and fans show support and enthusiasm while singing the national anthem of their country before each game.
Fans of Mexico sing the national anthem before their 2014 World Cup round of 16 game against the Netherlands at the Castelao arena in Fortaleza. — Eddie Keogh, Reuters , June 29, 2014
Nigeria's squad listens to their national anthem before the round of 16 football match between France and Nigeria at the Mane Garrincha National Stadium in Brasilia. — Jewel Samad, AFP/Getty Images, June 30, 2014
A fan of Uruguay, holding a Luis Suarez mask, sings the national anthem during the live broadcast of the FIFA World Cup Round of 16 match Brazil vs Uruguay in Montevideo. — Miguel Rojo, AFP/Getty Images, June 28, 2014
Martin Caceres, left, Edinson Cavani, center, and Cristian Rodriguez of Uruguay sing the National Anthem before the 2014 FIFA World Cup Brazil round of 16 match between Colombia and Uruguay at Maracana. — Julian Finney, Getty Images, June 28, 2014
Arturo Vidal of Chile sings the national anthem before the FIFA World Cup 2014 round of 16 match between Brazil and Chile at the Estadio Mineirao in Belo Horizonte, Brazil. — Peter Powell, EPA , June 28, 2014
Marcelo, left, David Luiz, center, and Julio Cesar of Brazil sing the National Anthem with before the 2014 FIFA World Cup Brazil Group A match between Brazil and Mexico at Castelao in Fortaleza, Brazil. — Laurence Griffiths, Getty Images, June 17, 2014
Brazil's forward Neymar cries as Brazil's national anthem is played before a Group A football match between Brazil and Mexico in the Castelao Stadium in Fortaleza. — Vanderlei Almeida, AFP/Getty Images, June 17, 2014
Brazilians sing the national anthem as they watch the FIFA World Cup 2014 Round of 16 match between Brazil and Chile at bar "Toa Toa" in Porto Seguro, Brazil. — Marcus Brandt, EPA , June 28, 2014
Brazil's fans sing their national anthem before the Round of 16 football match between Brazil and Chile at The Mineirao Stadium in Belo Horizonte. — Juan Mabromata, AFP/Getty Images , June 28, 2014
Chile fans sing their national anthem before the Round of 16 football match between Brazil and Chile at The Mineirao Stadium in Belo Horizonte. — Juan Mabromata, AFP/Getty Images , June 28, 2014
United States players sing the National Anthem before the 2014 FIFA World Cup Brazil group G match between the United States and Germany at Arena Pernambuco in Recife. — Michael Steele, Getty Images, June 26, 2014
Portugal's Bruno Alves, from left, Pepe, Beto and Cristiano Ronaldo sing the national anthem before the FIFA World Cup 2014 group G preliminary round match between Portugal and Ghana at the Estadio Nacional in Brasilia. — Jose SEna Goulao, EPA , June 26, 2014
Ivory Coast midfielder Geoffroy Serey Die cries during the national anthem before the Group C football match between Colombia and Ivory Coast at the Mane Garrincha National Stadium in Brasilia. — Adrian Dennis, AFP/Getty Images, June 19, 2014
Luis Suarez, from left, Edinson Cavani, Cristian Rodriguez and Nicolas Lodeiro of Uruguay sing the National Anthem before the 2014 FIFA World Cup Brazil Group D match between Uruguay and England at Arena de Sao Paulo. — Julian Finney, Getty Images, June 19, 2014
Gary Medel, left, Arturo Vidal, center, and Eugenio Mena of Chile sing the National Anthem before the 2014 FIFA World Cup Brazil Group B match between Spain and Chile in Rio de Janeiro — Matthias Hangst, Getty Images, June 18, 2014
German soccer fans sing their national anthem at the 'Fan Mile' where the 2014 World Cup group G soccer match between Germany and Portugal is screened in Berlin. — Axel Schmidt, Reuters , June 16, 2014
Italy fans sing their national anthem before a Group D football match between England and Italy at the Amazonia Arena in Manaus. — Fabrice Coffrini AFP/Getty Images, June 14, 2014
Mexico's defender Francisco Rodriguez, from left, defender Paul Aguilar, defender Miguel Layun and goalkeeper Guillermo Ochoa listen to their national anthem before a Group A football match between Mexico and Cameroon at the Dunas Arena in Natal. — Gabriel Bouys, AFP/Getty Images, June 13, 2014