One of the few indisputable geniuses of pop music, Sly Stone is a trailblazer who created a new kind of music, mixing Black and white, male and female, funk and rock; penned some of the most iconic anthems of the 1960s and 70s, from "Everyday People" to "Family Affair"; and electrified audiences with a persona and stage presence that set a lasting standard for pop culture performance. Yet he has also been a cautionary tale, known as much for how he dropped out of sight as for what put him in ...