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 (film) Dawn" inspired the film's "Dawn Of Man" sequence. Kubrick and Clarke privately referred to the project as "How the Solar System Was Won", a reference to MGM's 1962 Cinerama epic "How the West Was Won". On February 23, 1965, Kubrick issued a press release announcing the title as "Journey Beyond The Stars". Other titles considered include "Universe", "Tunnel to the Stars", and "Planetfall". In April 1965, eleven months after they began working on the project, Kubrick selected "2001: A Space Odyssey"; Clarke said the title was "entirely" Kubrick's idea. Intending to set the film apart from the "monsters-and-sex" type of