Morissette, 33, also sang the anthem at the Sens' first game of the modern era on Oct. 8, 1992, when Ottawa beat Montreal 5-3 at the Ottawa Civic Centre. Morissette has won seven Grammy awards and sold over 40 million albums.
The team's official anthem singer, Lyndon Slewidge, sang the anthem before Game 3 last Saturday.
PUMMEL PRONGER: Scott Rickman and Jacinthe Leblanc, who work at a children's crisis centre in Ottawa, came to the game carrying an effigy of suspended Ducks defenceman Chris Pronger.
"Once we saw the elbow, we said, 'we gotta do something,"' Rickman said after a passerby gleefully pummeled the dummy - with Rickman's whole-hearted consent.
Pronger received a one-game suspension after he hit Dean McAmmond with a forearm to the head in Game 3.
Only minutes after Rickman and Leblanc arrived at the arena's main doors they'd had several people ask to take pictures - or potshots - at the stuffed effigy bearing Pronger's name and sweater number.
ROUND THE WORLD: The Stanley Cup final is being broadcast to hockey fans in 108 countries and territories around the world.
NHL International is distributing a live world feed for the series, which can be seen in Europe, South and Central America, Africa, Asia, the Pacific Rim and Australia.
In addition to Canadian and U.S. television broadcast rightsholders (CBC, RDS, NBC, Versus), Sweden (Canal +) and Russia (NTV) are broadcasting live on-site for the final.
STREAKY SENS: The Ottawa Senators are making their 10th consecutive post-season appearance.
It's the longest active streak among the six Canadian teams.