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 (novel) physical form altogether. When "2001: A Space Odyssey" was written, mankind had not yet set foot on the moon. The space exploration programs in the United States and the Soviet Union were only in the early stages. Much room was left to imagine the future of the space program. "Space Odyssey" offers one such vision, offering a glimpse at what space exploration might one day become. Lengthy journeys, such as manned flights to Saturn, and advanced technologies, such as suspended animation, are described in the novel. The book raises questions about consciousness, sentience, and human interactions with machines. Hal's helpful