Vocal range is never used to refer to a solo vocalist. Children's voices, both male and female, are described as "trebles", although boy soprano is widely used as well. Vocal range Vocal range is the measure of the breadth of pitches that a human voice can phonate. Its most common application is within the context of singing, where it is used as a defining characteristic for classifying singing voices into groups known as voice types. It is also a topic of study within linguistics, phonetics, and speech and language pathology, particularly in relation to the study of tonal languages and certain types
The Singing Voice of Japan "The singing voice is the vitality of peace" () using mixed script of both Kanji and Hiragana for the word "Utagoe", precisely such as: 歌こえ [sic]. In accordance with the slogan "Let's sing for the struggle of the working class" (), activists of the movement have composed many songs to encourage workers protest against illegal discrimination of their employers. In the 1960s, instruction of militants of the movement and continued improvement of their ideological, political and artistic quality were considered important means of cultural policy by the Japanese Communist Party (). Nowadays (2016), the only group that is active and