Aprile Millo Special Verdi Prize Award in Barcelona (1979), and the Geraldine Farrar Award (1980). After leaving the San Diego Opera, Millo sang her first major role, the title role of Verdi's "Aida", with Utah Opera in January 1980. She returned to Utah Opera in early 1981 to perform the role of Santuzza in Mascagni's "Cavalleria Rusticana". Millo moved to New York City and auditioned for the New York City Opera where her Father had sung from 1942–1946 and was offered a contract with several roles. The Metropolitan Opera also offered the young singer at 22 years old, to become a member
Herva Nelli del destino", Puccini's "Tosca" (conducted by Eugene Ormandy), and "Un ballo in maschera". In 1951, Nelli reappeared with the New York City Opera, in "Cavalleria rusticana" again, as well as "Aida"; the next year, she portrayed Maddalena de Coigny in Giordano's "Andrea Chénier" (in Theodore Komisarjevsky's production). With the San Francisco Opera, in 1951 and 1952, the soprano sang in "Otello", "La forza del destino" (with Robert Weede), "Aida" (with Mario Del Monaco), "Cavalleria rusticana", "Il trovatore", and "La bohème" (this last on tour to Los Angeles); in 1957, she returned for "Un ballo in maschera". With the Baltimore Civic