Founded by producers Robert Clivillés and Robert Cole - the C+C in the Factory - the guys hired several studio musicians, including Zelma Davis, the later-credited Martha Wash (who is the huge female voice in this song) and Freedom Williams, who is clearly a clean-cut and dapper guy..... oh. Wait. That's another song.
Anyway, I dare you to try not to get up and dance when this song is on. It's really difficult. The words are simple and catchy, and the bass is thumpin'. In fact, I'm dancing to it right now.