"Zarathustra's roundelay" (), also called the "Midnight Song" (Mitternachts-Lied) or "Once More" (), is a poem in the book Thus Spoke Zarathustra (1883âÂÂ1885) by Friedrich Nietzsche.
The poem first appears in Thus Spoke Zarathustra<nowiki/>'s chapter "The Second Dance-Song", then reappears in a later chapter, "The Drunken Song".
The poem was used by Gustav Mahler as the text of the 4th movement of his Symphony No 3.
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