Definitions:
the sound produced in a person's larynx and uttered through the mouth, as speech or song

a particular opinion or attitude expressed

the range of pitch or type of tone with which a person sings, such as soprano or tenor.

sound uttered with resonance of the vocal cords (used in the pronunciation of vowels and certain consonants).

a form or set of forms of a verb showing the relation of the subject to the action

express (something) in words

utter (a speech sound) with resonance of the vocal cords (e.g. b, d, g, v, z)

regulate the tone quality of (organ pipes or a piano).