Thus Spoke Zarathustra

Also sprach Zarathustra (1896; Thus Spoke Zarathustra) is ostensibly a homage to the philosopher Friedrich Nietzsche but is actually a concerto for orchestra in which the entities of man and nature are illustrated and contrasted by opposing tonalities.

…Strauss’s Also sprach Zarathustra (1896; Thus Spoke Zarathustra)—and is being more specifically demanded by contemporary composers.