^ It's not marketing (at least give your reasoning since I'm not sure where you're coming from), it's because they simply like or dislike what they heard. The article talked about people just listening to music, not buying them. The article does not talk about sales numbers nor gives any correlation of marketing to Canadians being close-minded. The author just reflected on the responses given by people who heard an unfamiliar song at a party, not if there's a marketing effect on these people because there really is no way to prove that. She wanted Canadians to open up to new music regardless of any marketing. Besides, there's always music unfamiliar to someone (that is, it is impossible to market every song to that person), and the question is just whether or not the person is willing to listen to that unfamiliar music.
And American music has many amazing voices and musical compositions just as much as any other country. Music is just a taste (with marketing or without).
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