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,
Bass (voice type) a high F, the one above middle C), but few roles go over F. In the operatic bass repertoire, the highest notes are a G (The Barber in "The Nose" by Shostakovich) and, in the aria "Fra l'ombre e gl'orrori" in Handel's serenata "Aci, Galatea e Polifemo", Polifemo reaches an A. Within the bass voice type category are seven generally recognized subcategories: "basso cantante" (singing bass), "hoher" bass (high bass), "jugendlicher" bass (juvenile bass), "basso buffo" ("funny" bass), "Schwerer Spielbass" (dramatic bass), lyric bass, and dramatic "basso profondo" (low bass). "Basso cantante" means "singing bass". "Basso cantante" is a higher,