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
Overtone singing the use of a throaty voice. This kind of song is called "a tenore". The other style, known as "cuncordu", does not use throat singing. A tenore is practiced by groups of four male singers, each of whom has a distinct role; the " 'oche " or "boche" (pronounced or , "voice") is the solo voice, while the " mesu 'oche " or "mesu boche" ("half voice"), "contra" ("against"), and "bassu" ("bass") – listed in descending pitch order – form a chorus (another meaning of "tenore"). "Boche" and "mesu boche" sing in a regular voice, whereas "contra" and "bassu" sing