Desc: Dick Clark: American Music Pioneer: With Marc Istook. In the wake of Dick Clark's death, TV Guide Network celebrates the life and career of the radio and television personality with a half-hour special Dick Clark: American Music Pioneer. The special is hosted by Marc Istook, who looks back at the American Bandstand host's life, from his days on the long-running variety show to his career as a top producer for such events as the Golden Globes and the American Music Awards. The special also includes interviews with friends and former co-workers.