MIDI/(乐器数字接口) -> Electroacoustic Devices/(电声设备) -> Sound Production and Manipulation [SPM]/(制作与处理)

MIDI/(乐器数字接口) -> Electroacoustic Instruments/(电声乐器) -> Sound Production and Manipulation [SPM]/(制作与处理)

MIDI/(乐器数字接口) -> Real-time/(实时) -> Performance Practice and Presentation [PPP]/(表演与展示)

MIDI/(乐器数字接口) -> Real-time/(实时) -> #[Tier 3] Essential Knowledges for Performers/([第三]必要知识层为表演者) -> Users Group/(用户群)

MIDI/(乐器数字接口) -> Real-time/(实时) -> Technique/(技能) -> Step 2 High School/(第二步高中) -> Years Group/(年级群)