一級助理音樂主任(活動及推廣)的主要職責為-
(a) 擔任音樂主任（活動及推廣）的副手，協助研究、策劃、統籌、監察、評估和管理音樂推廣活動；協助高級音樂主任（活動及推廣）管理和營運音樂事務處圖書館；並擔任項目經理，督導和支援大型音樂項目／活動的籌組及後勤工作；
(b) 協助推廣音樂事務處的服務和處理公共關係事宜；以及監察主要市場推廣活動及大型項目的市場策略規劃、發展、推行和評估工作；
(c) 聯絡大型項目所涉各方，以作跟進安排；並代表音樂事務處出席全港的社區組織或藝術團體會議；以及
(d) 協助招聘初級、臨時和兼職非專業人員，協調各組別所負責項目的人手調配；以及協助督導活動及推廣組的支援人員。
（註：獲錄用的申請人，須注意下列各點－(i)或須不定時工作。(ii)本職系人員於所屬職責組別內須接受職系／部門首長作出的調派和調職安排。）

An Assistant Music Officer I (Activities and Promotion) is mainly deployed to:
(a) deputise Music Officer (Activities and Promotion) [MO(A&P)] in the research, planning, co-ordination, monitoring, evaluation and administration of music promotion activities; assist Senior Music Officer (Activities and Promotion) [SMO(A&P)] in the management and operation of the Music Office library; and to act as the project manager supervising and supporting the organisation and logistic of large-scale music projects/events;
(b) assist in promoting Music Office services and in public relations matters; and to oversee the planning, development, implementation and evaluation of the marketing strategies for major marketing campaign events and large-scale projects;
(c) liaise with other parties in relation to large-scale projects for follow-up arrangements, and to attend meetings of community organisations or arts organisations of territory-wide level as Music Office’s representative; and
(d) assist in recruitment of junior, temporary and part-time non-professional staff and to co-ordinate their deployment in team projects; and to assist in the supervision of supporting staff in the Activities and Promotion Section.

(Note: Members of the grade – (i) May be required to work irregular hours; and (ii) are subject to posting and transfer within their respective streams at the discretion of the Head of Grade / Department.)