Harvest Moon: Tree of Tranquility

Harvest Moon: Tree of Tranquility (牧場物語 やすらぎの樹 Bokujō Monogatari: Yasuragi no Ki) (also known as Harvest Moon: Tree of Peace) is a farming simulation video game released on June 7, 2007 by Marvelous Interactive. It was released exclusively for Nintendo's Wii console and was the first title in the Harvest Moon series originally developed for the Wii.

Problems
why my harvest mooon tree of tranwuility doesn't have sound.....?