2001: A Space Odyssey (soundtrack) choir was performed at Symphony Hall in Birmingham, again accompanied by the Philharmonia Orchestra conducted by Benjamin Wallfisch together with the choir Ex Cathedra. A presentation of the film accompanied by live orchestra and choir premiered in the United States on August 18, 2015, at The Hollywood Bowl in Hollywood, California, accompanied by the Los Angeles Philharmonic conducted by Brad Lubman together with the choir Los Angeles Master Chorale. "2001" is particularly remembered for the use of the opening theme from the Richard Strauss tone poem "Also sprach Zarathustra" (Usually translated as "Thus Spake Zarathustra" or "Thus Spoke Zarathustra" where
2001: A Space Odyssey (soundtrack) the soundtrack album gives the former, the movie's credits give the latter). The theme is used both at the start and at the conclusion of the film. Also memorable in the film is its use of parts of Johann Strauss II's best-known waltz, "An der schönen blauen Donau (On the Beautiful Blue Danube)", during the extended space-station docking. Composers Richard and Johann Strauss are not related. In addition to the majestic yet fairly traditional compositions by the two Strausses and Aram Khachaturian, Kubrick used four highly modernistic compositions by György Ligeti which employ micropolyphony, the use of sustained dissonant chords