The show was written up in the New York Times on February 24, 2008.  See On Air, a Broadcaster and a Killer Shared a Platform.  Quoting from the article: "In the 1960s, Mr. Fass helped create the format known as free-form radio, in which DJs control the programming, and he is known for the long, discursive and often meditative conversations he carries on with his unseen listeners, insomniacs, lobster-shift workers and night owls across the city."