创作新的和重新编排现有的音乐作品，如歌曲、歌剧、交响乐、乐谱和广告歌曲。这个职业需要高水平的创造性人才或个人的投入和兴趣，以及或兴趣代替的，正式的表演学历或经验。Writes new and rearranges existing musical compositions such as songs, operas, symphonies, musical scores and advertising jingles. This occupation requires high levels of creative talent or personal commitment and interest as well as, or in place of, formal qualifications or experience.