Canadians have made some mighty distinctive music, and CBC wants Barack Obama to know it. Starting next week, Canadians will collect some choice homegrown songs for the new president to groove to as he takes office Jan. 20. CBC Radio 2 is calling on the public to take care of business, tune-wise - to help select 49 songs from north of the 49th parallel that best represent the northern nation. "We believe that a country is defined by its artistic expression. If you wanted to know about Canada you just close your eyes and listen to our songs," said Denise...