Once Upon a Time in China II is a 1992 Hong Kong martial arts film written and directed by Tsui Hark, and starring Jet Li as Chinese folk hero Wong Fei-hung. It is the second instalment in the Once Upon a Time in China film series. The iconic theme song, A Man Should Better Himself (男兒當自強; Nan Er Dang Zi Qiang), was performed in Cantonese by George Lam at the beginning of the film, and by Jackie Chan in the end credits. (Chan also sang the Mandarin version.)