Also sprach Zarathustra, composed by Richard Strauss, was first performed at the Frankfurt Opera in Germany. This tone poem is deeply influenced by Friedrich Nietzsche's philosophical work of the same title, which deals with themes of existentialism and the evolution of humanity. The composition is structured into nine sections, each illustrating different elements of Nietzsche's ideas, notably the concept of the Übermensch or 'Overman.' The premiere was conducted by Strauss himself, a notable decision that highlights his commitment to the piece. The opening fanfare, which has become exceedingly famous, captures the listener's attention right from the start, symbolizing a grand awakening.

The orchestration of the piece is intricate and rich, employing a vast array of instruments to create powerful sonorities that mirror the philosophical undertones of the work. The tonal shifts and dynamic contrasts throughout the structure serve to enhance the drama of the narrative. Strauss's ability to encapsulate complex ideas through music allows listeners to engage emotionally and intellectually. This work not only showcases Strauss's mastery but also represents a pivotal moment in the early 20th-century musical landscape, emphasizing the growing interplay between philosophy and art.

Also sprach Zarathustra would go on to have a profound influence on the musical world and beyond, often referenced in popular culture and film, most famously by Stanley Kubrick in '2001: A Space Odyssey.' The themes of enlightenment and humanity's progression resonate through the ages, making the composition relevant to various audiences. Strauss's tone poem exemplifies the rich potential of orchestral music to transcend mere entertainment, engaging with deeper philosophical questions and reflecting societal changes.