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 (score) music would have been an improvement on the background music that Kubrick finally chose for the film." Conversely, in his notes for the Jerry Goldsmith recording, Kevin Mulhall argued that "there is no doubt that "2001" would have been better if Kubrick had used North's music. Even if one likes some of the choices Kubrick made for certain individual scenes, the eclectic group of classical composers employed by the director... resulted in a disturbing melange of sounds and styles overall." Film critic Roger Ebert noted that North's rejected score contains emotional cues to the viewer while the final music selections