(music) part

(Chinese phonetics) an oblique tone (the 上声 (jōshō, “rising tone”), the 去声 (kyoshō, “departing tone”) or the 入声 (nisshō, “entering tone”), contrasting with the 平声 (hyōshō, “level tone”) among the 四声 (shisei, “four tones”) of Middle Chinese)

very quiet voice

voice change (as part of puberty)

to let one's voice become quieter

(literary) licentious music / (poetic) sounds made during lovemaking

shout, yell

(2channel slang, Internet slang) Used at the end of a phrase to indicate that the speaker is speaking with a trembling voice.

a sudden screaming

vulgar and thick voice