Indeterminacy/(不确定) -> Formalism/(形式主义) -> Structure, Musical [Str]/(音乐与结构)

Indeterminacy/(不确定) -> Formalism/(形式主义) -> #[Tier 2] Practical Aspects for Composers/([第二]实践层为曲作者) -> Users Group/(用户群)

Indeterminacy/(不确定) -> Formalism/(形式主义) -> Practise/(实践) -> Step 4 Postgraduate/(第四步研究生) -> Years Group/(年级群)