Sylvia studied initially at the Conservatorium of Music Opera School, Sydney, and was a member of the Sydney Operetta Touring Theatre Company performing in Operetta and Musical Comedy throughout Australia before joining Opera Australia.
She was also resident Mezzo with the West Australian Opera Company. Since coming to Britain Sylvia often sings as a soloist with choral societies and opera companies throughout the country and performs classical recitals in Australia and the UK.
Sylvia regularly performs all the contralto roles in the Gilbert & Sullivan repertoire and performed Katisha in The Mikado and Buttercup in HMS Pinafore for Carl Rosa Opera Company's 2008 Tour of the USA.
Recently Sylvia sang the Mezzo solo in Stravinsky's Les Noces with the Michael Clark Dance Company at the Barbican, London and The Lincoln Centre, New York.