Semantics

Голос у Марии был небольшой, но чистый. Mary's voice was small, but clear.
This entry is concerned with the use of the word голос to refer to the voice of a singer. The word голос is also used to refer to the voice of someone speaking. This usage is described in a different entry. Other meanings — "one of several parts of a piece of music" (романс для двух голосов "a romance for two voices"), "an inner command" (голос совести "the voice of conscience," голос рассудка "the voice of reason"), "vote," etc. — are not described in this dictionary.