This is the only soundtrack I can find. It is the film soundtrack specially produced by Gu Jiahui for Bruce Lee's "The Way of the Dragon".

Part of the soundtrack was used during the jousting at the Colosseum.

Album Chinese name: The Dragon Crosses the River

Album English name: The Way? of the Dragon

Composer: Gu Jiahui

Release date: 1972

Audition address: web link