High gold content. Gold content refers to the proportion or content of useful and valuable components contained in things. The 10th Hong Kong International Vocal Music Open invited famous vocal experts and artists from home and abroad as judges, with strict selection criteria and strong professionalism. At the same time, the contest set up a number of awards, which provided more opportunities and recognition for the contestants. It has a long history and is very popular. This historical background makes the 10th Hong Kong International Vocal Music Open Competition have certain recognition and authority in the field of music and vocal music. Therefore, the 10th Hong Kong International Vocal Music Open has a high gold content.