Pipa player Zhang Qiang will be among the accompanying musicians when 83-year-old Yan Liangkun conducts the Hong Kong Chinese Orchestra in a programme of works by Peng Xiuwen and Guo Wenjing. Today- tomorrow, 8pm, HK City Hall, Concert Hall, Edinburgh Place, Central, HK$100- HK$220. Inquiries: 3185 1600 or www.hkco.org