ja YELL%E3%80%9C%E3%82%A8%E3%83%BC%E3%83%AB%E3%80%9C %E3%83%84%E3%83%9E%E3%83%93%E3%82%AF%E3%82%A6%E3%82%BF%E3%82%B4%E3%82%A8 %E3%80%9CKobukuro songs, acoustic guitar instrumentals%E3%80%9C