Hard Drugs by Peter Thomas This music plays when the casino bouncers chase down Cheng and Hsiu after Hsiu has revealed them as crooks.

A Girl Loves Cheng Li by Peter Thomas This music plays when the girl comes crying out of the casino and Hsiu (James Tien) goes to find out what's going on.

It plays two more times in the film, when the workers wait to hear what happens to Cheng (Lee) after their strike, and before Cheng and Mi (the boss) fight.

Mukuri by Peter Thomas This music first plays when Nora Miao's character is being harrassed by the four thugs.

Big Boss by Peter Thomas This is the film's theme, which plays roughly 5 times throughout the film.

The International Music Score by Peter Thomas Sound Orchester

The following lists show the known music tracks used in the international and Cantonese prints. The Cantonese print used an abundance of stock music, as well as unlicensed cues from Pink Floyd. The international prints (including the English dub, and most of the European prints) featured a score from German film composer Peter Thomas. The Mandarin print (as well as the 'beta' English dub and possibly the French theatrical cut) featured a score by composer Wang Fu Ling.

These three cuts feature differing music scores.

There are three primary cuts of The Big Boss: The Mandarin print, the international prints (English dubbed), and the Cantonese print. Various versions of the film feature music ranging from German composer Peter Thomas to bands such as Pink Floyd and King Crimson. Also known as Fists of Fury in the United States and not to be confused with Fist of Fury also known as Chinese Connection. The Big Boss (唐山大兄, Pinyin: Táng Shān Dà Xiōng) is a 1971 Hong Kong martial arts film, and is the first starring role of Bruce Lee.

The boss movie soundtrack