This sound is from Machi e Ikou yo Doubutsu no Mori ~Mori no Ongakukai~ 街へいこうよ どうぶつの森 ～森の音楽会～ Animal Crossing: City Folk ~Concert in the Forest~ - Video Game Music

Video game music from Machi e Ikou yo Doubutsu no Mori ~Mori no Ongakukai~ 街へいこうよ どうぶつの森 ～森の音楽会～
Animal Crossing: City Folk ~Concert in the Forest~ for Wii. Published by Aniplex (2009).