Possible Clues:

• Song words followed by 'Terre de nos aïeux'
• National anthem in Nunavut
• Song that ends 'Protégera nos foyers et nos droits'
• Northern game preceder
• The anthem begins
• It ends, ''we stand on guard for thee''
• It includes ''The True North strong and free!''
• Song first played on Saint-Jean-Baptiste Day in 1880
• It's heard before many a face-off
• It precedes Blue Jays' home games