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Tone poems and operas are the genres most closely associated with Richard Strauss's legacy. His tone poems, such as "Till Eulenspiegel's Merry Pranks" and "Also Sprach Zarathustra," are known for their vivid orchestration and programmatic nature, while his operas, including "Salome" and "Der Rosenkavalier," showcase his mastery of dramatic storytelling and lyrical writing. Strauss's contributions to these genres have left an indelible mark on the history of classical music.