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 high. Voice type A voice type classifies a singing voice by vocal range, vocal weight, tessitura, vocal timbre, vocal transition points ("passaggia") like breaks and lifts, and vocal register. Voice classification was developed for European classical music and seldom applies to other kinds of singing; voice classification is in the opera to pair roles with voices. Several different voice classification systems are available to identify voice types, including the German "Fach" system and the choral music system among many others; no system is universally applied or accepted. Voice classification is a tool for singers, composers, venues, and listeners to categorize