I'm not sure I'd call this 'disco' its more house/dance than anything. Borne out of the disco movement mind you. I think I mentioned it before but this was the very first CD I ever owned.
Martha was a black lady with a great voice, she but she was plus-sized, with a gnd face, and was considered unsuitable by the record label for the video and live performances.
From Wikipedia:
The song contains uncredited vocals by American singer Martha Wash, who was replaced by French model Katrin Quinol as the credited vocalist who made several appearances with Black Box, which led Wash to file a lawsuit against the group.






