2001: A Space Odyssey (soundtrack) used is Ligeti's "Lux Aeterna" and an electronically altered form of his "Aventures", the last of which was so used without Ligeti's permission and is not listed in the film's credits. Since the film, "Also sprach Zarathustra" has been used in many other contexts. It was used by the BBC and by CTV in Canada as the introductory theme music for their television coverage of the Apollo space missions, as well as stage entrance music for multiple acts including Elvis Presley late in his career. Jazz and rock variants of the theme have also been composed, the most well known
2001: A Space Odyssey He also co-authored the treatment and screenplay with Clarke, based on the seed idea in an earlier short story by Clarke (which bears little relation to the film other than the idea of an alien civilisation's having left something to alert them to mankind's attaining the ability to space travel). Clarke's novel "2001: A Space Odyssey" was published in 1968. Kubrick had no involvement in any of the later projects. Peter Hyams directed the second film, "2010" (1984). He also wrote the screenplay based on Clarke's novel, "" (1982). Clarke was not directly involved in Hyams' film's production as he