Friedrich Schiller van Beethoven said that a great poem is more difficult to set to music than a merely good one because the composer must rise higher than the poet – "who can do that in the case of Schiller? In this respect Goethe is much easier," wrote Beethoven. There are relatively few famous musical settings of Schiller's poems. Notable exceptions are Beethoven's setting of "An die Freude" ("Ode to Joy") in the final movement of his Ninth Symphony, Johannes Brahms' choral setting of "Nänie" and "Des Mädchens Klage" by Franz Schubert, who set 44 of Schiller's poems as Lieder, mostly for
Curse of the ninth "serious" music criticism. Though composers can indeed be found who died after achieving nine symphonies (the most famous example perhaps being Ludwig van Beethoven), nine is not a statistically predominant total in the history of the symphony. In addition, while some very prominent composers (e.g. Schubert, Dvořák, Spohr, Bruckner, Mahler, and Vaughan Williams) are regularly adduced as examples, several of them are only credited with having "composed nine symphonies" as a result of error or oversimplification (see below). According to Arnold Schoenberg, this superstition began with Gustav Mahler, who, after writing his Eighth Symphony, wrote "Das Lied von der Erde",