The first aria combines the soprano voice with the oboe da caccia in alto range.

Members of a boys' choir are technically known as trebles and often termed boy sopranos," although occasionally some boys sing in the alto range.

Sullivan wrote the role of Bouncer in the alto range for Foster, a counter-tenor, but subsequently the role was played by a bass or bass-baritone.

The alto ranges are written from middle C to A an octave higher and sound as written.

Angham is said to be able to cover all the notes from alto vocal range to six-octave vocal range.

His horn's sound most resembled what the human folk called a recorder, or perhaps a wooden flute, in the alto range.

Andreas Scholl (born 10 November 1967) is a German countertenor, a male classical singer in the alto vocal range, specialising in Baroque music.

You're stuck with a lot of alto range.

Her voice has an extreme range from tenor to soprano, however she has said herself that her tessitura is in the alto range.

Since I've become aware of my own high-pitched voice, I've had to train myself to keep it within a natural alto range.