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. 9 (Beethoven) of Symphony No. 9 involved the largest orchestra ever assembled by Beethoven and required the combined efforts of the Kärntnertor house orchestra, the Vienna Music Society (Gesellschaft der Musikfreunde), and a select group of capable amateurs. While no complete list of premiere performers exists, many of Vienna's most elite performers are known to have participated. The soprano and alto parts were sung by two famous young singers: Henriette Sontag and Caroline Unger. German soprano Henriette Sontag was 18 years old when Beethoven personally recruited her to perform in the premiere of the Ninth. Also personally recruited by Beethoven, 20-year-old contralto