Joseph Koo
The Legend of the Unknowns (十三妹) is a TVB television series, premiered in 1983. Starring: Cecilia Wong, Kent Tong, Sharon Yeung, Barbara Yung, Simon Yam. Theme song "Heroine" (巾幗英雄) composition and arrangement by Joseph Koo, lyricist by Wong Jim, sung by Frances Yip.