Cassandra DiFruscio has sung 'The Star-Spangled Banner' about 100 times during pro-sports games but, for the first time ever, her nationality as a Canadian drew fire from some American viewers during an NFL game over the weekend.

CC0 Usage Conditions ApplyClick for more information. Inspired by the sight of the American flag after battle, Francis Scott Key wrote “The Star-Spangled Banner.” Its vivid imagery captured the spirit of survival, symbolizing the nation's push for freedom.

NFL fans blasted the NFL for having Cassandra DiFruscio sing the National Anthem due to her being from Canada.

A Canadian artist sang the national anthem before the San Francisco 49ers hosted the Seattle Seahawks, and some NFL fans complained due to the league celebrating America's birthday

A 104-year-old World War II veteran had fans rapt as he delivered an utterly mesmerizing performance of the National Anthem on his saxophone at an NHL game.

NFL fans loved that Shanda Roberts, mother of Tampa Bay Bucs lineman Elijah Roberts, performed the National Anthem.

A young boy from South Florida went viral after performing the national anthem in front of Miami Heat fans.Seven-year-old Jelijah Diaz captured<a class="excerpt-read-more" href=" More

Dominick Critelli brought the UBS Arena crowd to its feet with his rendition, holding the last note for an extra beat as fans chanted “USA, USA.”