Voice classification in non-classical music chart that follows. The ranges given below are approximations and are not meant to be too rigidly applied. Some men, in falsetto voice or as a result of certain rare physiological conditions, can sing in the same range as women. These do not fall into the female categories, instead called countertenors within classical music. Within contemporary music, however, the use of the term "tenor" for these male voices would be more appropriate. Teaching voice within non-classical music is an emerging field. Up to this point, voice teachers and voice research have been largely concentrated with classical methods of singing. However,
Voice type of the voice, and dexterity of the voice. Baritones are often broken down into nine subcategories: baryton-Martin, lyric baritone, bel canto or coloratura baritone, "kavalierbariton", heldenbaritone, Verdi baritone, dramatic baritone, "baryton-noble", and bass-baritone. Bass range: The bass is the lowest singing voice. The bass voice has the lowest tessitura of all the voices. The typical bass range lies between E2 (the second E below middle C) to E4 (the E above middle C). In the lower and upper extremes of the bass voice, some basses can sing from C2 (two octaves below middle C) to G4 (the G above middle