Open Form/(开放曲式) -> Macro-level Structure/(宏观结构层) -> Structure, Musical [Str]/(音乐与结构)

Open Form/(开放曲式) -> Macro-level Structure/(宏观结构层) -> Tier 2 Practical Aspects Primarily for Composers/(第二层实践方面主要针对作曲家) -> Users Group/(用户群)

Open Form/(开放曲式) -> Macro-level Structure/(宏观结构层) -> Practise/(实践) -> Step 4 Postgraduate/(第四步研究生) -> Years Group/(年级群)