Sly Stone, founder, frontman and namesake of Sly and the Family Stone, has deserved to be the subject of a documentary since the heyday of his eponymous, chart-topping, mixed-gender, racially ...

The startling “cold open” for a documentary about 50 years of “Saturday Night Live” music is proof that a musician — a specific kind of musician — had to put it together. It’s a mashup of ...