The Swiss group (above) comprising pianist-composer Olivier Truan, clarinettist Veaceslav Cernavca, flutist-conductor Ariel Zuckermann, double bass Daniel Fricker and drummer Christoph Staudenmann, play their own fusion of jazz, classical and world music. Today, 7.30pm, Loke Yew Hall, The University of HK, Pok Fu Lam, free, registration required at www.hku.hk/music/concerts/0809_1/Kolsimcha . Inquiries: 2859 7045. Also tomorrow, 4pm (reception, 3pm), Radio Television HK, Broadcasting House, 30 Broadcast Drive, Kowloon Tong, call for entry information. Inquiries: 2339 6425.