Sly & The Family Stone was an American funk and soul band active from 1966 to 1983. Led by singer, songwriter, record producer, and multi-instrumentalist SLY Stone, the band was pivotal in the development of funk music and is often described as one of the most influential acts of the 20th century. The band's core line-up included SLY Stone, Freddie Stone, Larry Graham, Rose Stone, Cynthia Robinson, Jerry Martini, and Gregg Errico.