American country a cappella group Home Free, which formed in Mankato and won the fourth season of The Sing-Off on NBC in 2013, sang the National Anthem prior to the Vikings-Cowboys game on Nov. 20.
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American country a cappella group Home Free, which formed in Mankato and won the fourth season of The Sing-Off on NBC in 2013, sang the National Anthem prior to the Vikings-Cowboys game on Nov. 20.