Maria Callas: was an American-born Greek soprano and one of the most renowned opera singers of the 20th century. She combined an impressive bel canto technique, a wide-ranging voice and great dramatic gifts..
Jessye Mae Norman "A four-time Grammy Award-winning American opera singer. Norman is one of the most admired contemporary opera singers and recitalists, and is one of the highest paid performers in classical music."
Ruth Vincent (22 March 1877 – 4 July 1955) was an English opera singer and actress, best remembered for her performances in soprano roles of the Savoy Operas with the D'Oyly Carte Opera Company in the 1890s and her roles in the West End during the first decade of the 20th century, particularly her role as Sophia in Tom Jones.