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What are the six basic operatic voice types?

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Members of the Dnepropetrovsk State Opera and Ballet Theatre perform Il Trovatore, with a woman in tattered costume singing dramatically at center stage and other actors in period dress. — opera Performance of Giuseppe Verdi's *Il trovatore*, 2011.

Musical practice has long recognized six basic operatic voice types, categorized by sex and vocal range. These types are divided into three male and three female categories:1

Male Voice Types
* Tenor: The highest of the standard male voices.1
* Baritone: The intermediate male voice, possessing characteristics of both the bass and tenor.12
* Bass: The lowest male voice, providing the harmonic foundation in musical compositions.13

Female Voice Types
* Soprano: The highest human vocal register.14
* Mezzo-soprano: The intermediate female voice, situated between the soprano and the contralto.14
* Contralto: The lowest female voice, also referred to as alto.15

While these six categories form the traditional foundation, operatic singing also recognizes various subdivisions—such as the basso profundo or coloratura soprano—based on specific vocal agility, color, and range.143