Grain/(粒子) -> Sound Source/(声音源) -> Sound Production and Manipulation [SPM]/(制作与处理)

Grain/(粒子) -> Sound Source/(声音源) -> Classification of Sound/(声音分类) -> Musicology of Electroacoustic Music [MEM]/(电声音乐学)

Grain/(粒子) -> Micro-level Structure/(微观结构层) -> Structure, Musical [Str]/(音乐与结构)

Grain/(粒子) -> Micro-level Structure/(微观结构层) -> #[Tier 2] Practical Aspects for Composers/([第二]实践层为曲作者) -> Users Group/(用户群)