2001: A Space Odyssey (soundtrack) Like North's score, Cordell's work was recorded at the now demolished Anvil, Denham studios. "2001" is particularly remembered for using pieces of Johann Strauss II's best-known waltz, "The Blue Danube", during the extended space-station docking and Lunar landing sequences. This is the result of the association that Kubrick made between the spinning motion of the satellites and the dancers of waltzes. It also makes use of the opening from the Richard Strauss tone poem "Also sprach Zarathustra" performed by the Vienna Philharmonic conducted by Herbert von Karajan. The use of Strauss's "Zarathustra" may be a reference to the theme of
2001: A Space Odyssey (soundtrack) as the closing credits. The first of these is the particularly famous sequence of the PanAm space plane docking at Space Station V. Ligeti's "Requiem" is heard three times, all of them during appearances of the monolith. The first is its encounter with apes just before the "Zarathustra"-accompanied ape discovery of the tool. The second is the monolith's discovery on the Moon, and the third is Bowman's approach to it around Jupiter just before he enters the Star Gate. This last sequence with the "Requiem" has much more movement in it than the first two, and it transitions directly into