A kung fu fighter in a disco

I remember hearing this for the first time on the chart run (new entry at number 20, or something like that), and falling in love with it. It felt like it was so exciting and different (like a lot of the early records coming out of the dance scene at the time - the only other time I've had that regular feeling was during the late 90s/early 00s R&B boom). And being a naive 13 year old who knew nothing about where the record had come from, I loved the record so much I couldn't wait to see the TV show / film that it was the Theme to...