Chaka Khan - Like Sugar

I keep hearing this track and every time I do I think "Damn that's some funky shit, who's it by?". Maybe it's old age or maybe I simply can't believe that it's the work of Chaka Khan who's now officially a pensioner, bless her. Undoubtedly the best thing she's done since, well this equally surprising track (another solid gold Friday banger) back in the day...