Dieter Dorn directs the Bavarian State Opera's production of Mozart's comic opera (above) about two men who, following the promptings of an arch-manipulator, decide to test the constancy of their lovers; Mark Wigglesworth conducts the Bavarian State Orchestra. A HK Arts Festival programme. In Italian with Chinese and English surtitles. Feb 23-25, 7.30pm, HK Cultural Centre, 10 Salisbury Rd, TST, HK$380-HK$1,080 Urbtix. Inquiries: 2824 2430