Chinses Artist Association of Hong Kong is a non-profit association of what type of traditional Chinese art form involving music, singing, martial arts, acrobatics, and acting?
Chinese Artist Association of Hong Kong: Chinese Artist Association of Hong Kong (香港八和會館 in traditional Chinese) is a non-profit association of Cantonese opera groups and artists in Hong Kong, established in 1953. Cantonese opera:  Like all versions of Chinese opera, it is a traditional Chinese art form, involving music, singing, martial arts, acrobatics, and acting.
Cantonese opera