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,
Linköping University Male Voice Choir Linköping University Male Voice Choir Linköping University Male Voice Choir (Sw. "Linköpings Studentsångare", former "Linköpings Studentsångarförening Lihkören") is a Swedish male chorus founded in 1972, based in Linköping. The choir has produced many recordings and performed on national and international TV and radio channels. The choir has made many tours abroad such as: Denmark in 1980 and 1996 Finland in 1983, 1987, 1990, 1998, 2003 and 2005, United States in 1988, Jordan in 1989, Norway in 1977, 1993, 2001, 2004 and 2008, Great Britain in 1994, 2005, 2007 and 2010, Spain in 1996, Estonia in 1999 and 2014, South Africa