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. 9 (Beethoven) more pleasing and more joyful ones!"). \relative c' { </score> At about 24 minutes in length, the last movement is the longest of the four movements. Indeed, it is longer than some entire symphonies of the Classical era. Its form has been disputed by musicologists, as Nicholas Cook explains: Cook gives the following table describing the form of the movement: In line with Cook's remarks, Charles Rosen characterizes the final movement as a symphony within a symphony, played without interruption. This "inner symphony" follows the same overall pattern as the Ninth Symphony as a whole: The movement has a thematic