Cornelison also performed the anthem at the Chicago Bears ' home opener earlier this month .
All of this happened during a stirring rendition of the national anthem sung by Jim Cornelison , who performs the anthem at Chicago Blackhawks games .
Jim Cornelison also performed the anthem at the Chicago Bears ' home opener earlier this month .
All of this happened during a stirring rendition of the national anthem sung by Jim Cornelison , who performs the anthem at Chicago Blackhawks games .