Question: Ann Mui was the older sister to what singer and actress who had major contributions to the Cantopop music scene?
Sentence (from "Anita Mui"): Anita Mui Yim-fong (; 10 October 1963 – 30 December 2003) was a Hong Kong singer and actress making major contributions to the Cantopop music scene and receiving numerous awards and honours.
Relevant evidence: Yes