The 4 Tones
Tone 1: High Level (ā)
High and flat, like singing
Tone 2: Rising (á)
Rises from mid to high, like a question
Tone 3: Low/Dipping (ǎ)
Dips down then rises, like a scooping motion
Tone 4: Falling (à)
Falls sharply from high to low, like a command