sentences:  Shirt gained fame by singing "O Canada" in Cree at a National Hockey League game between the Calgary Flames and the Vancouver Canucks on February 3, 2007.This was the first time in Canadian history that the national anthem had been performed in an aboriginal language at a major league sporting event.She was also interviewed on CBC Radio One's "As it Happens" the night before the game, and sang the anthem on the show as well.