The Kassia Men's Choir and Kassia Women's Choir (left) perform works such as Last Christmas and The Most Wonderful Day of the Year; the Po Leung Kuk joint school a cappella group guests. Dec 8-9, 8pm, Sai Wan Ho Civic Centre, 11 Shau Kei Wan Rd, Sai Wan Ho, HK$220 Urbtix. Inquiries: 2575 3931