Voice type C). In the lower and upper extremes some contralto voices can sing from D3 (the D below middle C) to B5 (the second B-flat above), one whole step short of the soprano "high C". Contralto tessitura: The contralto voice has the lowest tessitura of the female voices. Contralto subtypes: Contraltos are often broken down into three subcategories: coloratura contralto, lyric contralto, and dramatic contralto. A soprano sfogato is a contralto who has an extended high range reaching the soprano "high C". Countertenor range: The countertenor is the highest male voice. Many countertenor singers perform roles originally written for a castrato
Bass (voice type) comic-relief fool in bel canto operas. English equivalent: dramatic bass "Basso profondo" (lyric low bass) is the lowest bass voice type. According to J. B. Steane in "Voices, Singers & Critics", the basso profondo voice "derives from a method of tone-production that eliminates the more Italian quick vibrato. In its place is a kind of tonal solidity, a wall-like front, which may nevertheless prove susceptible to the other kind of vibrato, the slow beat or dreaded wobble." English equivalent: dramatic low bass. Dramatic basso profondo is a powerful basso profondo voice. All of the Gilbert and Sullivan Savoy operas, except