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,
Symphony No. 1 (Mahler) from the other movements, which is in keeping with Beethoven's own practice in his Symphony No. 9 of quoting themes from the first, second, and third movements early in the final movement. Beethoven gave the impression of rejecting the earlier themes, after he quotes them, and then introduces the famous "Ode to Joy" theme. The five-movement version generally runs around an hour, just as Mahler's later symphonies (except for Symphony No. 4) are an hour or longer in length. Mahler followed a precedent, established by Beethoven in his ninth symphony and by Anton Bruckner in many of his symphonies, of