Symphony No. 9 (Beethoven) Symphony No. 9 (Beethoven) The Symphony No. 9 in D minor, Op. 125, is the final complete symphony by Ludwig van Beethoven, composed between 1822 and 1824. It was first performed in Vienna on 7 May 1824. One of the best-known works in common practice music, it is regarded by many critics and musicologists as one of Beethoven's greatest works and one of the supreme achievements in the history of western music. In the 2010s, it stands as one of the most performed symphonies in the world. The symphony was the first example of a major composer using voices in
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