Gladys Knight & The Pips - "Nitty Gritty" 1972 live concert performance on PBS Soul! Gladys Knight & The Pips are the embodiment of soul: A family unit whose flawless harmonies and synchronized choreography set the gold standard for group performance. Gladys possesses one of the most powerful and emotive voices in music history: a rich & gravelly alto that can convey a lifetime of heartbreak or hope in a single note. Then you factor in the seamless interplay with "The Pips"... And it's just pure