He has conducted opera (Il Trovatore, The Magic Flute, La Belle Héléne) and orchestral recordings (Sydney & Melbourne Symphony Orchestras).
[5] While resident in Paris in the 1980s, Primrose was commissioned by the Pompidou Centre to compose the music to Tony Oursler's video installation Spheres of Influence (1985).
Primrose was the founding Artistic Director of Camera Camerata (Sydney, 1998) with the Australian Youth Orchestra - a project that brought together composers, filmmakers, orchestral players and technicians to record the music for films as well presenting them as a live concert.
He also lectured on music and sound at Queensland Conservatorium, Griffith Film School, plus universities in Sydney, Newcastle and Melbourne.
He wrote, composed and directed a production of "The Art of Lies and Obfuscation" (2019) for the Melbourne Fringe Festival.