From another galaxy a long long time ago when you got into pop because you actually had some talent (!) and knew how to write songs that had harmonic sophistication, great melodies, interesting rhythms and lyrics, dynamic and emotional contrast, played by real musicians on real instruments. As I said, that was a long time ago....
Class jazz funk, seen them twice in the early eighties, I'm sure this track is on a compilation album called Slipstream along with UK players & Liight of the World