Tuning Systems/(调音系统) -> Acoustics/(声学) -> Disciplines of Study [DoS]/(多学科研究)

Tuning Systems/(调音系统) -> Formalism/(形式主义) -> Structure, Musical [Str]/(音乐与结构)

Tuning Systems/(调音系统) -> 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)

Tuning Systems/(调音系统) -> Formalism/(形式主义) -> Practise/(实践) -> Step 5 Doctoral/(第五步博士) -> Years Group/(年级群)

Tuning Systems/(调音系统) -> Acoustics/(声学) -> Disciplines of Study [DoS]/(多学科研究) -> CHEARS/(启耳思)