Bertei is alleged to have a three-octave range.

If you challenged him to a whistle-off, he would look you square in the eye and blow you away with a three-octave range.

From the beginning, her voice was phenomenal, a radiantly warm soprano, impressively even throughout its nearly three-octave range.

He had a rich baritone voice with a three-octave range.

During the competition, he had displayed a three-octave vocal range and developed a strong fan following.

"Develop that instrument," one strongly advised after discovering her pure three-octave range.

Notes are specified in a three-octave range.

Her three-octave range is more than matched by her intelligence that finds the plumb line to the core of whatever she sings.

This instrument has a three-octave range, from C to C3.

According to various sources, Ryder possesses a three-octave vocal range.