I don’t know which song you are referring to. Below is the original soundtrack of Kung Fu. If you want to listen to that song yourself

Attached is the original soundtrack: "Kung Fu" movie soundtrack

1. Like The Old Saying

2. Kung Fu 1

3. Nothing Ventured, Nothing Gained

4 . Pay The Rent

5. Fisherman's Song Of The East China Sea

6. Still playing football? No More Soccer

7. Ambush From All Sides

8. Come On

9. Allegro Molto Vivace From Zigeunerweisen , Op.20

10. I’m not afraid! I’m Not Scared!

11. Moderato From Zigeunerweisen, Op.20

12. Decree Of The Sichuan General

13. Knowing kung fu is not a crime Not Guilty Of Kung Fu

14. Midnight Assassin

15. The Blade Of Gu Qin

16. No Manners

17. Just live one day for you Zhi Yao Wei Ni Huo Yi Tian

18. Night Club Band

19. Seize Any Opportunity

20 . Saber Dance

21. Daring General

22. Casino Fight

23. Realization

24. Prejudiced To Four Eyes

25. The heroes defeated the Dadu River Ying Xiong Men Zhan Sheng Le Da Du He

26. Dagger Society Suite

27 . Fisherman's Song Of The East China Sea

28. Buddhist Palm

29. Numb Nut

30. Just live for you for one day - Huang Shengyi Zhi Yao Wei Ni Huo Yi Tian (Huang Sheng Yi)

31. Nothing Ventured, Nothing Gained (Huang Sheng Yi)

32. Kung Fu Fighting (Carl Douglas)

33. The Hustle (Van McCoy & The Soul City Symphony)