2001: A Space Odyssey United States Library of Congress and selected for preservation in the National Film Registry. A musical score was commissioned for the film and composed by Alex North, but Kubrick ultimately decided not to use it, in favour of the classical pieces he used as guides during shooting. These included Richard Strauss's "Also Sprach Zarathustra", Johann Strauss' "Blue Danube Waltz", and music by twentieth-century composers Aram Khachaturian and Gyorgy Ligeti. Toward the end of the sequence where the HAL 9000 computer is lobotomized, it begins to play the 1892 song "Daisy Bell (Bicycle Built for Two)" by Harry Dacre, which Clarke
2001: A Space Odyssey (soundtrack) and a nine-minute compilation of all of Hal's dialogue from the film. Citing John Culshaw's autobiography "Putting the Record Straight", the Internet Movie Database explains In the early stages of production, Kubrick had actually commissioned a from noted Hollywood composer Alex North, who had written the score for "Spartacus" and also worked on "Dr. Strangelove". However, during post-production, Kubrick chose to abandon North's music in favor of the now-familiar classical music pieces he had earlier chosen as "guide pieces" for the soundtrack. North did not know of the abandonment of the score until he saw the film's premiere screening. In