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 (soundtrack) the music from Ligeti's "Atmosphères" which is heard when Bowman actually enters the Star Gate. No music is heard during the monolith's much briefer final appearance in Dave Bowman's celestial bedroom which immediately precedes the "Zarathustra"-accompanied transformation of Bowman into the Star-Child. A shorter excerpt from "Atmosphères" is heard during the pre-credits prelude and film intermission, which are not in all copies of the film. The adagio movement "Carpet Weavers" from Aram Khatchaturian's "Gayane" ballet suite no. 3. is heard during the sections that introduce Bowman and Poole aboard the "Discovery" conveying a somewhat lonely and mournful quality. Other music