音樂主任(活動及推廣)的主要職責為-
(a) 協助高級音樂主任（活動及推廣）研究、策劃、統籌、監察、評估和管理音樂活動；擔任項目經理，督導大型音樂活動／節目的籌組工作，並為該等活動提供後勤支援；
(b) 協助策劃和推廣音樂事務處的服務，以及處理公共關係事宜；
(c) 於籌劃活動項目期間聯絡學校、社區組織、贊助商、政府部門、本地和海外藝術家及表演團體，並代表音樂事務處出席區議會或相類及以上層面的會議；以及
(d) 督導助理音樂主任，並監察臨時及兼職員工的調配和管理事宜。
（註：或須不定時工作。）

A Music Officer (Activities and Promotion) is mainly deployed to:
(a) assist Senior Music Officer (Activities and Promotion) in the research, planning, co-ordination, monitoring, evaluation and administration of music activities, and to act as the project manager supervising the organisation of major music activities/events and the provision of logistic support to them;
(b) assist in the planning and publicity for promoting Music Office services and in public relations matters;
(c) liaise with schools, community organisations, sponsors, Government department, local and overseas artists and performing groups at planning stages of projects, and to represent the Music Office to attend meetings of district councils or comparable and above levels;
(d) supervise Assistant Music Officers and to oversee the deployment and management of temporary and part-time staff.
(Notes: May be required to work irregular hours.)