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
Voice type of raising pitch. Singing above an individual's best tessitura keeps the vocal cords under a great deal of unnecessary tension for long periods of time, and the possibility of vocal abuse is greatly increased. Singing at too low a pitch level is not as likely to be damaging unless a singer tries to force the voice down. Many vocal pedagogues warn of the dangers of quick identification. Premature concern with classification can result in misclassification, with all its attendant dangers. Notable vocal pedagogue William Vennard has stated, "I never feel any urgency about classifying a beginning student. So many premature