The

contralto A contralto () is a type of classical female singing voice whose vocal range is the lowest female voice type. The contralto's vocal range is fairly rare; similar to the mezzo-soprano, and almost identical to that of a countertenor, typically b ...

singing voice has a

vocal range Vocal range is the range of pitches that a human voice can phonate. A common application is within the context of singing, where it is used as a defining characteristic for classifying singing voices into voice types. It is also a topic of stud ...

that lies between the F below "

middle C C or Do is the first note and semitone of the C major scale, the third note of the A minor scale (the relative minor of C major), and the fourth note (G, A, B, C) of the Guidonian hand, commonly pitched around 261.63 Hz. The actual frequen ...

" (F₃) to two Fs above middle C (F₅) and is the lowest type of female voice. In the lower and upper extremes, some contralto voices can sing from two Bs below middle C (B₂) to two Bs above middle C (B₅). The term ''contralto'' was developed in relation to classical and

opera Opera is a form of theatre in which music is a fundamental component and dramatic roles are taken by singers. Such a "work" (the literal translation of the Italian word "opera") is typically a collaboration between a composer and a librett ...

tic voices, where the classification is based not merely on the singer's vocal range but also on the

tessitura In music, tessitura (, pl. ''tessiture'', "texture"; ) is the most acceptable and comfortable vocal range for a given singer or less frequently, musical instrument, the range in which a given type of voice presents its best-sounding (or character ...

and

timbre In music, timbre ( ), also known as tone color or tone quality (from psychoacoustics), is the perceived sound quality of a musical note, sound or musical tone, tone. Timbre distinguishes different types of sound production, such as choir voice ...

of the voice. For classical and operatic singers, their voice type determines the roles they will sing and is a primary method of categorization. In classical music, a "pure" contralto is considered the rarest type of female voice. In non-classical music, singers are primarily defined by their genre and their gender, not their vocal range. When the terms ''

soprano A soprano () is a type of classical female singing voice and has the highest vocal range of all voice types. The soprano's vocal range (using scientific pitch notation) is from approximately middle C (C4) = 261 Hz to "high A" (A5) = 880&n ...

'', ''

mezzo-soprano A mezzo-soprano or mezzo (; ; meaning "half soprano") is a type of classical female singing voice whose vocal range lies between the soprano and the contralto voice types. The mezzo-soprano's vocal range usually extends from the A below middle C ...

'', ''contralto'', ''

tenor A tenor is a type of classical music, classical male singing human voice, voice whose vocal range lies between the countertenor and baritone voice types. It is the highest male chest voice type. The tenor's vocal range extends up to C5. The lo ...

'', ''

baritone A baritone is a type of classical male singing voice whose vocal range lies between the bass and the tenor voice-types. The term originates from the Greek (), meaning "heavy sounding". Composers typically write music for this voice in the r ...

'', and ''

bass Bass or Basses may refer to: Fish * Bass (fish), various saltwater and freshwater species Music * Bass (sound), describing low-frequency sound or one of several instruments in the bass range: ** Bass (instrument), including: ** Acoustic bass gui ...

'' are used as descriptors of non-classical voices, they are applied more loosely than they would be to those of classical singers and generally refer only to the singer's perceived vocal range. Contemporarily, the informal term ''

alto The musical term alto, meaning "high" in Italian (Latin: ''altus''), historically refers to the contrapuntal part higher than the tenor and its associated vocal range. In 4-part voice leading alto is the second-highest part, sung in choruses by ...

'' is sometimes used interchangeably with ''contralto''. The following is a list of singers in

country A country is a distinct part of the world, such as a state, nation, or other political entity. It may be a sovereign state or make up one part of a larger state. For example, the country of Japan is an independent, sovereign state, while the ...

popular music Popular music is music with wide appeal that is typically distributed to large audiences through the music industry. These forms and styles can be enjoyed and performed by people with little or no musical training.Popular Music. (2015). ''Fun ...

jazz Jazz is a music genre that originated in the African-American communities of New Orleans, Louisiana in the late 19th and early 20th centuries, with its roots in blues and ragtime. Since the 1920s Jazz Age, it has been recognized as a major ...

, and

musical theatre Musical theatre is a form of theatrical performance that combines songs, spoken dialogue, acting and dance. The story and emotional content of a musical – humor, pathos, love, anger – are communicated through words, music, movemen ...

who have been described as contraltos.