Joni Sledge was an American singer, best known as a member of the vocal group Sister Sledge, which gained prominence in the late 1970s. Born on September 13, 1956, in Philadelphia, Pennsylvania, she was part of a family of performers, which included her sisters Debbie, Kim, and Kathy. The group is best remembered for their iconic disco hits, particularly "We Are Family," released in 1979, which became an anthem of unity and celebration. Other notable works include "He's the Greatest Dancer" and "Lost in Music." Sister Sledge's music, characterized by its blend of disco, R&B, and soul, played a significant role in the disco era, influencing both pop and dance music. Their collaborative work with legendary producer Nile Rodgers and guitarist Bernard Edwards of Chic helped solidify their legacy in music history. Joni Sledge's contributions to music extended beyond her recordings; the group’s themes of love, family, and empowerment resonated deeply with audiences, leaving a lasting impact on the genre and inspiring future generations of artists. Joni Sledge passed away on March 10, 2017, but her legacy continues through the timeless songs of Sister Sledge.