File- This Aug. 14, 2006 file photo shows Joni Sledge, one of the original members of “Sister Sledge,” second from left, posing with Rodney Jerkins, second from right, her niece Camille Sledge, left, and her cousin Amber Sledge at the “We Are Family 2006 – All-Star Katrina Benefit CD and Documentary DVD Launch” in Century City, Calif. Sledge, who with her sisters recorded the defining dance anthem “We Are Family,” has died, the band’s representative says.