2001: A Space Odyssey (soundtrack) Like North's score, Cordell's work was recorded at the now demolished Anvil, Denham studios. "2001" is particularly remembered for using pieces of Johann Strauss II's best-known waltz, "The Blue Danube", during the extended space-station docking and Lunar landing sequences. This is the result of the association that Kubrick made between the spinning motion of the satellites and the dancers of waltzes. It also makes use of the opening from the Richard Strauss tone poem "Also sprach Zarathustra" performed by the Vienna Philharmonic conducted by Herbert von Karajan. The use of Strauss's "Zarathustra" may be a reference to the theme of
2001: A Space Odyssey (film) version of "Zarathustra" used in the film, and used the shorter version of "Lux aeterna" from the film. As additional "bonus tracks" at the end, the CD includes the versions of "Zarathustra" and "Lux aeterna" on the old MGM soundtrack, an "unaltered" performance of "Aventures", and a nine-minute compilation of all of Hal's dialogue. North's unused music was first released in Telarc's issue of the main theme on "Hollywood's Greatest Hits, Vol. 2", a compilation album by Erich Kunzel and the Cincinnati Pops Orchestra. All the music North originally wrote was recorded commercially by his friend and colleague Jerry Goldsmith