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 in popular culture "2001" was the unbeatable film that in a sense killed the science fiction genre. Similarly, film critic Michel Ciment in his essay "Odyssey of Stanley Kubrick" stated, "Kubrick has conceived a film which in one stroke has made the whole science fiction cinema obsolete." However, others credit "2001" with opening up a market for films such as "Close Encounters of the Third Kind", "Alien", "Blade Runner" and "Contact"; proving that big-budget "serious" science-fiction films can be commercially successful, and establishing the "sci-fi blockbuster" as a Hollywood staple. Science magazine "Discover"s blogger Stephen Cass, discussing the considerable impact of the film