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Michael Au Ding Yuk (simplified Chinese: 欧丁玉; traditional Chinese: 歐丁玉; pinyin: Ōu Dīngyù; born 6 November 1957) is a Hong Kong music producer. Michael is Hakka and his parents originate from Guangdong Province, mainland China. He is well known for his collaboration with Hong Kong singer Jacky Cheung and Priscilla Chan.^[1]

Michael started as a music engineer with PolyGram, and eventually participated in the work of record producer.^[1]