Malcolm Benjamin Graham Christopher Williamson AO (honorary), CBE (21 November 1931 – 2 March 2003) was an Australian composer and Master of the Queen's Music from 1975 to 2003. Williamson was born in Sydney and studied composition and horn at the Sydney Conservatorium of Music. His teachers included Eugene Goossens. In 1950 he moved to London where he worked as an organist, a proofreader, and a nightclub pianist. From 1953 he studied with Elisabeth Lutyens.