Cantonese opera is one of the major categories in Chinese Opera. Originating in southern China's Cantonese culture. It is popular in South China, Hong Kong, Macau, Sinapore and Malaysia. Like all versions of Chinese opera, it is a traditional Chinese art form, involving music, singing, material arts, acrobatics and acting.
You can check this site if you want to learn more about it: http://library.thinkquest.org/04apr/01272/