2001: A Space Odyssey (film) for its scientifically accurate depiction of spaceflight, pioneering special effects, and ambiguous imagery. Sound and dialogue are used sparingly and often in place of traditional cinematic and narrative techniques. The soundtrack incorporates a number of pieces of classical music, among them "Also sprach Zarathustra" by Richard Strauss, "The Blue Danube" by Johann Strauss II, and works by Aram Khachaturian and György Ligeti. "2001: A Space Odyssey" was financed and distributed by American studio Metro-Goldwyn-Mayer, but filmed and edited almost entirely in England, where Kubrick lived, using the facilities of MGM-British Studios and Shepperton Studios. Production was subcontracted to Kubrick's production
Technologies in 2001: A Space Odyssey adviser for the film. "2001" accurately presents outer space as not allowing the propagation of sound, in sharp contrast to other films with space scenes in which explosions or sounds of passing spacecraft are heard. "2001" portrayal of weightlessness in spaceships and outer space is also more realistic. Tracking shots inside the rotating wheel providing artificial gravity contrast with the weightlessness outside the wheel during the repair and Hal disconnection scenes. (Scenes of the astronauts in the "Discovery" pod bay, along with earlier scenes involving shuttle flight attendants, depict walking in zero-gravity with the help of velcro-equipped shoes labeled "Grip