Answer
"Also sprach Zarathustra," a tone poem by Richard Strauss, draws inspiration from Friedrich Nietzsche's philosophical work of the same name. Strauss's composition mirrors Nietzsche's exploration of existential themes, portraying the protagonist's journey of self-discovery and the affirmation of life. The music's grandiose and evocative nature captures the essence of Nietzsche's philosophical concepts, making it a notable interpretation in the world of classical music.