Discovering Music All Around Us/(音乐就在我们身边) -> Learn/(学习)

Discovering Music All Around Us/(音乐就在我们身边) -> Beginner/(初学) -> Tier 6 Items Related to Music Education for Children/(第六层音乐教育项目与儿童相关) -> Users Group/(用户群)

Discovering Music All Around Us/(音乐就在我们身边) -> Intermediate/(中级) -> Tier 6 Items Related to Music Education for Children/(第六层音乐教育项目与儿童相关) -> Users Group/(用户群)