Rosemary is a regular performer at festivals through Europe and Australia and some of her performance highlights include appearance at the Norfolk and Norwich Festival, Salisbury Festival and St David's Festival in the United Kingdom and leading Australian festivals such as the Melbourne and Perth International Festivals of the Arts, Darwin Guitar Festival, Organs of the Ballarat Goldfields Festival and Melbourne Autumn Music Festival.

Rosemary has developed a reputation for presenting engaging programmes featuring early plucked string music such as Metaphysical : a collaboration with the late Charles 'Bud' Tingwell reading 17th century Metaphysical poetry alongside lute music of the time at the Castlemaine State Festival, Dowland's Lachrimae at the Port Fairy Spring Festival and directing her own ensemble Project 1600, which performs music at its 400th anniversary, at the Melbourne Spring Early Music Festival.

Rosemary frequently appears as soloist and in ensembles for organisations including Musica Viva and the Melbourne Recital Centre as well as enjoying performances with the Australian Brandenburg Orchestra, Western Australian Symphony Orchestra, Consort Eclectus, E21, Past Echoes Orchestra Victoria and Opera Australia.