Symphony No. 9 (Beethoven) a symphony (thus making it a choral symphony). The words are sung during the final movement by four vocal soloists and a chorus. They were taken from the "Ode to Joy", a poem written by Friedrich Schiller in 1785 and revised in 1803, with text additions made by the composer. In 2001, Beethoven's original, hand-written manuscript of the score, held by the Berlin State Library, was added to the United Nations Memory of the World Programme Heritage list, becoming the first musical score so designated. The Philharmonic Society of London originally commissioned the symphony in 1817. The main composition work
Symphony No. 3 (Beethoven) theme's re-use in the symphony. It is the only theme that Beethoven used for so many separate works in his lifetime, and each use is in the same key of E major. The "Wielhorsky Sketchbook", Beethoven's principal sketchbook for 1802, contains a two-page movement plan in E major that directly follows the sketches for the Opus 35 Variations, which has been identified as being intended for the Third Symphony. While the movement plan gives no explicit indication regarding the finale, Lewis Lockwood argues that "there cannot be any doubt that Beethoven intended from the start" to use the same theme