Joan La Barbara
Born: 8th June 1947, Philadelphia, Pennsylvania, United States
Nationality: American
Joan Linda La Barbara is an American vocalist and composer known for her explorations of non-conventional or "extended" vocal techniques. Considered to be a vocal virtuoso in the field of contemporary music, she is credited with advancing a new vocabulary of vocal sounds including trills, whispers, cries, sighs, inhaled tones, and multiphonics (singing two or more pitches simultaneously).
Read more at https://en.wikipedia.org/wiki/Joan_La_Barbara