[4] Silver's abilities were noticed by the voice pedagogues Frederick Husler and Yvonne Rodd-Marling and studied under them in Darlington, England and Switzerland.
[1][3] Silver also had leading operatic roles including Monteverdi's Il ballo delle ingrate, John Blow's Venus and Adonis, The Beggar's Opera and Hansel and Gretel among others.
[3] Silver performed with the Montreal Symphony Orchestra at Expo 67,[5] and recorded for the Canadian Broadcasting Corporation after she received the top vocal award at the JMC Centennial Competition.
[3] That same year, Silver became a member of the Oper Frankfurt, singing in several leading roles and frequently appeared in broadcasts, concerts, opera and recitals in the United Kingdom and Europe.
Other roles Silver performed in were Blondchen at the Bath Festival's production of The Abduction from the Seraglio, Norina in Don Pasquale with the Phoenix Opera, Rigoletto with the Welsh National Opera in the part of Gilda, Marzelline in Fidelio at the Grand Théâtre de Genève, and multiple parts with the Oper Frankfurt such as Zerlina in Don Giovanni over a period of two years.
She gave master classes alongside Carl Ebert and Gerald Moore for BBC Television and, with the Amadeus String Quartet, performed Mozart arias.
"[8] Zelda Heller of the Montreal Gazette noted the middle and upper registers of her voice projected "Purity and a really beautiful bell-like sound character".