The Green Hills of Earth final, titular verse. Heinlein wrote several fragments of lyrics and six full stanzas for the song. Moore and Kuttner also give fragments of lyrics in "Quest of the Starstone." The fragments have been filled out and additional stanzas added by the filk community. Some versions combine Heinlein's and Moore's lyrics. The song's meter allows it to be sung to a number of popular tunes, including "Amazing Grace"; "Greensleeves"; "The House of the Rising Sun"; "The Rising of the Moon" / "The Wearing of the Green"; Friedrich Schiller's "Ode to Joy" (used in Beethoven's Ninth Symphony, fourth movement); "Oh My Darling,
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",