Voice type to a high D6. Any individual's voice can perform over a range of one and a half to more than two octaves. Vocal ranges are grouped into overlapping types that each span about two octaves. Many singers fall between groups and can perform some parts in either type. Soprano range: The soprano is the highest singing voice. The typical soprano voice lies between C4 (middle C) and C6 ("high C"). The low extreme for sopranos is roughly A3 (just below middle C). Most soprano roles do not extend above C6 although there are several standard soprano roles that call for
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