Cosmic Variance:

In China Mieville’s Perdido Street Station, there is a scene in which Mayor Rudgutter parleys with the ambassador of Hell. It’s a negotiation he has performed before, but is nevertheless disconcerting; although the ambassador appears as a well-spoken and immaculately dressed man, his words are accompanied by a faint echo from deep in the Pit below, “in the appalling shriek of one undergoing torture.”

I’m pretty sure I heard the same thing on the phone with Orbitz last night. (more)