Rancourt has sung the U.S. and Canadian national anthems at the National Hockey League 's Boston Bruins home hockey games for over 40 years .
Rene Rancourt ( born August 4 , 1939 ) is an American singer .
singer has sung the American and Canadian national anthems at the National Hockey League 's Boston Bruins home hockey games for over 40 years .
Rene Rancourt ( born August 4 , 1939 ) is an American singer .