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
Interpretations of 2001: A Space Odyssey as "orbiting satellites carrying nuclear weapons" Actor Gary Lockwood (astronaut Frank Poole) in the audio DVD commentary says the first satellite is an armed weapon, making the famous match-cut from bone to satellite a "weapon-to-weapon cut". Several recent reviews of the film mostly of the DVD release refer to armed satellites, possibly influenced by Gary Lockwood's audio commentary. A few published works by scientists on the subject of space exploration or space weapons tangentially discuss "2001: A Space Odyssey" and assume at least some of the orbiting satellites are space weapons. Indeed, details worked out with input from space industry