She also obtained her Master of Music degree in Voice and Opera in Florence, Italy in June, 1957, from the Pius XII Institute of Fine Arts at Villa Schifanoia.
In 1962 Fischer Monastero won the Euclid McBride Memorial Scholarship in the finals of the Metropolitan Opera National Council Auditions.
[5] Fischer Monastero made her debut at the Lyric Opera of Chicago in October 1962 as the Shepherd Boy in Tosca with Régine Crespin in the title role.
Together with the Monastero family they founded the Chicago Bel Canto Foundation, an organization which operates an international singing competition whose prize affords winners the opportunities to study opera in Italy with important artists.
[1] Her pupils include baritones Victor Benedetti, Lionel Cole, mezzo-soprano Edyta Kulczak, contralto Helen Tintes-Schuermann, and sopranos Martha Finch, Cynthia Haymon, Maria Russo, Dara Hobbs, Rebecca Davis (Wendorf), Kelli Harrington, Christine Arand, and Sally Murphy among others.