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 choir organ "Utagoe" (June 1949) in these terms: However, even after the first issue of the choir organ, the script for the Japanese word "Utagoe" in Kanji (歌声) and one mixed with Hiragana (歌ごえ) were sometimes used by authors of books or periodicals concerning The Singing Voice of Japan, while an exclusive formalization of Hiragana script (うたごえ) has never been imposed by any official organization of the movement. A very remarkable example of the graphical oscillation would be the autograph of Akiko Seki dedicated to the national Festival of December 1962, in which she wrote one of the movement slogans