Wikipedia: Baritone - Defines the singing range as lower than tenor but higher than bass, with subclassifications including lyric, bel canto and dramatic.
History of the Tenor Voice - Paper from the first international conference on Physiology and Acoustics of Singing (PAS), held in the Netherlands in 2002.
Voice Definitions and Ranges - Explains how the names of polyphonic parts were adapted to identify voice types, with emphasis on the tenor and countertenor.
Special Considerations in the Training of the Bass Singer - Page from VoiceTeacher.com defines differences between basso profundo, basso cantablie (or lyrical bass), and bass-baritone.
Urban Dictionary: Contralto - Offers several informal definitions contributed by submitters.
(Un)official Countertenor Homepage, The - Directory of mini biographies of countertenors. Other music links.
Tenorland - Biographies, links, and sound clips of the great tenors.
|