Idiophones are instruments whose own substance vibrates to produce sound ( as opposed to the strings of a guitar or the air. See a brief description of what happened to them in Jonathan Vankin John Whelan' s 50 Greatest Conspiracies of all Time pp. A novel also called : A Space Odyssey written concurrently with the screenplay was published soon after the film was released. Clarke was inspired by Clarke' s short story " The Sentinel".
The screenplay was written by Kubrick and Arthur C.