Sly Stone makes a rare appearance with his daughter Phunne Stone and the Family Stone during Hippiefest 2015 at Count Basie Theater on August 23, 2015, in Red Bank, New Jersey.

Michael Putland/Getty Images Legendary funk musician Sly Stone's daughter, Phunne Stone, has revealed in a new documentary that she tried snorting chalk as a child to emulate her father's cocaine ...