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 acting in Japan the same characters in new storylines) or image songs (songs sung in character that are not included in the anime but further develop the character), releasing CDs in the character's name rather than their own. Sometimes the singing style of an anime character is quite different from that of the voice actor, and tracks sung using the style of the character are often included in CDs the voice actors release in their own name. This made singing a central activity for many voice actors, especially those who do voice-overs for anime characters. The limitations imposed on singer voice actors by