Fresh, Sly and the Family Stone - As the Seventies unfurled, Sly Stone became progressively flakier, frequently disappointing fans at his concerts by keeping them waiting . . . all night. "Sometimes you don't feel your soul at 7:30," he explained. Happily, the increasingly dissolute soul pioneer had one more ace up his sleeve: the intoxicating "If You Want Me to Stay," in which he holed up in the basement of his vocal range while a fidgety bass line kept running up and down the stairs.