Conversation so far:
who sings the national anthem for the blackhawks
James Cornelison is a professional singer who sings The Star Spangled Banner and O Canada at the beginning of home games for the Chicago Blackhawks
when did the tradition of the chicago blackhawks' fans cheering loudly during the national anthem begin
The tradition of Blackhawks' fans applauding and cheering loudly during the national anthem originated during a 1985 Campbell Conference playoff game at Chicago Stadium versus the Edmonton Oilers

Question: who was the national anthem singer when the tradition started
Self-contained rewrite: who was the blackhawks' national anthem singer when the tradition of cheering loudly started