Filed under: Obits According to the Associated Press , 65-year-old singer-songwriter Isaac Hayes has passed away after being found unresponsive in his Memphis, TN home An indelible influence on the world of music, a pop culture icon besides for his work as Chef on "South Park and in its full-length feature , Hayes will be most fondly remembered in the world of film for his award-winning theme to Shaft and his role as 'The Duke in Escape from New York Hayes showed up in his fair share of other movies, apparently including a cameo as himself in the upcoming comedy Soul Men , starring Samuel L