In 1804, only weeks after Napoleon proclaimed himself Emperor, Beethoven debuted his Symphony No. 3 in Napoleon's honor. Later renamed the "Eroica Symphony" because Beethoven grew disillusioned with Napoleon, it was his grandest and most original work to date -- so unlike anything heard before that through weeks of rehearsal, the musicians could not figure out how to play it. A prominent reviewer proclaimed Eroica, "one of the most original, most sublime, and most profound products that the entire genre of music has ever exhibited..