Virtual Instruments and Synthesis: Creating Sound from Scratch (ja)

How virtual instruments generate sound through synthesis methods — subtractive, FM, wavetable, and more — and how to use them effectively.

EQ and Tonal Balance: Sculpting Frequency Content (ja)

How to use EQ to shape the tonal balance of your mix — understanding frequency ranges, EQ types, and practical settings for every instrument.

MIDI: The Language That Controls Digital Instruments (ja)

What MIDI is, how it works under the hood, and how to use MIDI messages to control virtual and hardware instruments.