Canadian Prime Minister Stephen Harper, center, sings as plays The Beatles song "With a Little Help From My Friends" on the piano during a surprise appearance at the National Arts Centre Gala in Ottawa, Ont. , Saturday Oct. 3, 2009. Members of the NAC orchestra look on. AP Photo logo AP Photo 28 months ago

Canadian Prime Minister Stephen Harper, center, sings as plays The Beatles song "With a Little Help From My Friends" on the piano during a surprise appearance at the National Arts Centre Gala in Ottawa, Ont. , Saturday Oct. 3, 2009. Members of the NAC orchestra look on.