In a 2005 Hockey News poll, she was voted the best anthem singer in National Hockey League history. Hart performed "God Bless America" during the first intermission of the 2012 National Hockey League Winter Classic at Citizens Bank Park on January 2, 2012.
She is best known for performing "The Star-Spangled Banner" and "O Canada" prior to Philadelphia Flyers games, the team for which her father Gene Hart was the long-time television and radio announcer for 29 years, and also performing a duet of "God Bless America" with a taped version of Kate Smith on several occasions, especially big games, among them games in the 2010 Stanley Cup Finals.
