Larry Graham Funk Bass Attack DVD. The master of slap bass, funk bass giant Larry Graham shows you an hour of intensive bass work, featuring exclusive reunion performance with special guests, legendary rock / R & B group Sly & The Family Stone's original drummer Greg Errico and Graham Central station's original keyboard player Robert " Butch " Sam. They play several songs, analyzing, performances & techniques while looking back & discussing their activities in the 60's & 70's.