2001: A Space Odyssey (film) had earlier chosen as temporary music for the film. North did not learn that his score had been abandoned until he saw the film's premiere. The initial MGM soundtrack album release contained none of the material from the altered and uncredited rendition of Ligeti's "Aventures", used a different recording of "Also sprach Zarathustra" (performed by the Berlin Philharmonic conducted by Karl Böhm) from that heard in the film, and a longer excerpt of "Lux aeterna" than that in the film. In 1996, Turner Entertainment/Rhino Records released a new soundtrack on CD that included the material from "Aventures" and restored the
2001: A Space Odyssey (film) malfunctions because of being ordered to lie to the crew of "Discovery" and withhold confidential information from them, namely the confidentially programmed mission priority over expendable human life, despite being constructed for "the accurate processing of information without distortion or concealment". This would not be addressed on film until the 1984 follow-up "". Film critic Roger Ebert wrote that HAL, as the supposedly perfect computer, is actually the most human of all of the characters. In an interview with Joseph Gelmis in 1969, Kubrick said that HAL "had an acute emotional crisis because he could not accept evidence of his