Ginette Reno will sing the anthem at the Bell Centre on Tuesday evening before the start of the fourth playoff game between the Montreal Canadiens and the Tampa Bay Lightning.
She sang the Canadian anthem before Sunday's game, and had not even made it to her seat before Rene Bourque scored 11 seconds after the puck dropped.
Sunday's performance was the first time she sang in public after having a heart attack on January 29 in her Florida home, followed by emergency bypass surgery.
Reno said she checked with her cardiologist following the performance, who gave her the go-ahead to sing again, and who believes she is ready to start a tour of Quebec in May.