Born and raised in the Philadelphia area, Toscano studied singing with Marinka Gurewich, Claire Gelda, and Floria Mari.
She appeared in several more productions with the company through 1966, playing such roles as the Celestial Voice in Aida, the first Genii in The Magic Flute, and the Naiad in Ariadne auf Naxos.
[10] In 1966 Toscano made her debut at the Houston Grand Opera as the First Lady to Beverly Sills' Queen of the Night in The Magic Flute.
[11] In 1972 she returned to Carnegie Hall to portray Jemmy in the Opera Orchestra of New York's concert performance of Gioachino Rossini's William Tell with Nicolai Gedda in the title role.
[14] In 1992 Toscano was a featured soloist with The Golden Land Klezmcr Orchestra under conductor Zalmen Mlotek at Lincoln Center for the Yiddish Music Festival.