From 1Up.com:

Nintendo president Satoru Iwata admits that Wii Music hasn’t met the company’s sales expectations, but is still optimistic about the game’s future. CVG reports that during a third quarter financial results briefing, he commented, “I agree that Wii Music, as of now, has not achieved its true potential. On the other hand, I feel that Wii Music is a software that elicits two extremely different reaction from consumers. There are people who highly appreciate it and those who do not appreciate it at all.” continue reading...