Also sprach Zarathustra, Op. 30

The piece unfolds as a continuous stream of sections, each inspired by a chapter title from Nietzsche's philosophical book "Also sprach Zarathustra," though Strauss asks listeners to follow the music, not a plot.

It opens with "Sunrise," the passage everyone recognizes: a low rumbling note, then trumpets sound a simple three-note motif that grows into a massive, organ-shod chord. This same three-note shape returns throughout the work as a kind of musical signature.

"Of the Backworldsmen" turns inward with hushed, reverent string and organ writing suggesting old religious faith. "Of the Great Longing" and "Of Joys and Passions" build restless, searching melodies that never quite settle.

A central section, "The Grave Song," is slow and mournful, followed by "Of Science," which begins with a strange, crawling fugue, a passage where instruments enter one by one on a theme built from all twelve notes, evoking cold intellectual rigor.

"The Convalescent" brings a violent climax and collapse, then "The Dance Song" introduces a lush solo violin waltz, warm and human after so much struggle. Finally, "Song of the Night Wanderer" closes the work quietly: bells toll midnight while the orchestra drifts into unresolved, ambiguous harmony, low strings and high winds never quite agreeing on a home key, ending the piece suspended rather than resolved.

Strauss composed this tone poem in 1896, drawn to Friedrich Nietzsche's philosophical prose poem of the same name. Rather than narrate the book's story, Strauss said he wanted to convey a musical idea of humanity's development, from primitive awe to scientific striving to something beyond. He led the premiere in Frankfurt in 1896, and the work quickly became known both for its ambition and for the technical demands it placed on the orchestra. Its opening minute, built around a rising three-note figure and a crashing organ chord, became one of the most recognized passages in orchestral music after director Stanley Kubrick used it in his 1968 film "2001: A Space Odyssey," introducing the music to audiences who had never set foot in a concert hall.