Sister NancySister Nancy is a Jamaican dancehall DJ and singer. She is known to the world as the first female dancehall DJ and was described as being a dominating female voice for over two decades on the dancehall scene. One of her most famous songs is Bam Bam, labeled as a well-known reggae anthem by BBC and a classic by The Observer.Sister Nancy was one of 15 siblings. She claims her brother, Robert, better known as Brigadier Jerry, an accomplished performer in his own right, as her main inspi...