1968: Psychedelic soul group 'Sly & The Family Stone' pose for a portrait in 1968. (L-R) Rosie Stone, Larry Graham, Sly Stone, Freddie Stone, Gregg Errico, Jerry Martini, Cynthia Robinson. (Photo by Michael Ochs Archives/Getty Images)

1968: Psychedelic soul group 'Sly & The Family Stone' pose for a portrait in 1968. (L-R) Rosie Stone, Larry Graham, Sly Stone, Freddie Stone, Gregg Errico, Jerry Martini, Cynthia Robinson. (Photo by Michael Ochs Archives/Getty Images)