James Brown may have invented funk, but Sly Stone perfected it; his alchemical fusion of soul, rock, gospel, and psychedelia rejected stylistic boundaries as much as his explosive backing band the Family Stone ignored racial and gender restrictions, creating a series of euphoric yet politically charged records that proved a massive influence on artists of all musical and cultural backgrounds. Sylvester "Sly Stone" Stewart was born March 15, 1943, in Denton, Texas, and raised primarily in Vallejo, California, where he sang with his family's gospel group. After singing lead with...