Voice type in baroque operas. Except for a few very rare voices (such as the American male soprano Michael Maniaci or singers with a disorder such as Kallmann syndrome), singers called countertenors generally sing in the falsetto register, sometimes using their modal voice for the lowest notes. Historically, there is much evidence that the countertenor, in England at least, also designated a very high tenor voice, the equivalent of the French "haute-contre". Until about 1830, all male voices used some falsetto-type voice production in their upper range. Countertenor voices span a broad range, covering E3 to E5. Countertenor subtypes: Countertenors are often
Estill Voice Training voice scientists or chest voice by singers. Speech quality includes thick vocal folds and a neutral larynx position. Falsetto: In Estill Voice Training terminology, the term falsetto has a meaning distinct from falsetto as a male vocal register in Western classical terminology. Sob: Sob quality is a soft and dark sound, associated with the sobbing cry of an adult who mourns. Sob quality is produced on a lowered larynx and thinned vocal folds. Sob quality releases glottal hyperadduction and medial compression, lowers the larynx and releases pharyngeal constriction. Mary Hammond says that young performers find low larynx and sob quality