Isn't it the theme tune to Starskey & Hutch?

You might be better asking on a Northern Soul fan forum or something.
( Boris Johnson's Press Secretary, Wed 30 Dec 2020, 16:55, archived)

I have a strong feeling it might be the closing theme to NWA World Wide between 1978 and 1985.
The internet doesn't seem to want to give this secret treasure up very easily. :/
( brb Monkhouse Stampede, Wed 30 Dec 2020, 19:45, archived)