Singer Kelly Rowland was in France last summer when she discovered DJ David Guetta, at one of his exhilarating techno shows in Cannes. When she later met up with Guetta and asked him to play a new track for her, the French DJ unveiled a pop number built around a lush piano loop and throbbing percussion. The track, which would become the groundwork for "When Love Takes Over," moved Rowland to tears.
