Question: Who wrote the song that was sung to the famous tune of the composer known as the Father of the Symphony?

full_context: Document 1: Piano Sonata Hob. XVI/34: The Piano Sonata in E minor, Hob. XVI/34, L. 53, was written in the late 1770s by Joseph Haydn and published in London around 1783 by Beardmore & Birchall.
Document 2: Symphony No. 80 (Haydn): The Symphony No. 80 in D minor, Hoboken 1/80, is a symphony composed by Joseph Haydn in 1784 as part of a trio of symphonies that also included symphonies 79 and 81. It is one of the relatively few later symphonies by Haydn to be in the minor mode. Symphony 80 is highly structured with both outer movements in sonata form. There is a common (though not strict) modulation pattern seen in all four movements.
Document 3: Count Morzin: Count Morzin was an aristocrat of the Austrian Empire during the 18th century. He is remembered today as the first person to employ the composer Joseph Haydn as his Kapellmeister, or music director. The first few of Haydn's many symphonies were written for the Count.
Document 4: Horst-Wessel-Lied: "Horst-Wessel-Lied " (English: "The Horst Wessel Song" ; ] ), also known by its opening words, "Die Fahne hoch " ("The Flag on High"), was used as the anthem of the Nazi Party from 1930 to 1945. From 1933 to 1945 the Nazis made it the national anthem of Germany, along with the first stanza of the "Deutschlandlied". Since 1991, the anthem has been banned in Germany.
Document 5: God Bless Our Homeland Ghana: "God Bless Our Homeland Ghana" is the national anthem of Ghana. The anthem "God Bless Our Homeland Ghana" was originally written and composed by Philip Gbeho and adopted in 1957.
Document 6: Piano Sonata No. 3 (Beethoven): Ludwig van Beethoven's Piano Sonata No. 3 in C major, Op. 2, No. 3, is a sonata written for solo piano, composed in 1795. It is dedicated to Joseph Haydn and is often referred to as Beethoven's first virtuosic piano sonata. The three Opus 2 sonatas all contain four movements each, an unusual length which seems to show that Beethoven was aspiring towards composing a symphony. It is both the weightiest and longest of the three Opus 2 sonatas, lasting over 25 minutes, presenting many difficulties, including difficult trills, awkward hand movements, and forearm rotation. It is Beethoven's second longest piano sonata in his early period, only to Beethoven's Grand Sonata in E-flat Major, Op. 7, published a year later.
Document 7: Heil dir, Hannover: Heil dir, Hannover (English: Hail to thee, Hanover), was the national anthem of the Electorate, and later Kingdom of Hanover, adopted in the early 18th century. Like other many rulers in the 17th & 18th century, George I of Hanover and Great Britain instructed George Handel to create an anthem. Handel's melody remained the United Kingdom of Great Britain and Ireland's anthem after the end of the personal union in 1837. Also many other German states made this melody their anthem. For example, it was used in the Grand Duchy of Oldenburg and the Kingdoms of Bavaria and Prussia. After 1871, it became the anthem of the German Empire with the lyrics "Heil dir im Siegerkranz". The last Holy Roman Emperor and German king, Francis II, was very impressed by Handel's theme an instructed his Court musician Haydn to create the "Kaiserhymne", which became his imperial anthem and continued to be used in the new Austrian Empire after he dissolved the Holy Roman Empire.
Document 8: Sei gesegnet ohne Ende: "Sei gesegnet ohne Ende" (English translation: "Be Blessed Without End"), also known as the ″Kernstock-Hymne″, is a German language song that was the national anthem of Austria from 1929 until 1938. Written by Ottokar Kernstock, it was sung to the famous tune of "Gott erhalte Franz den Kaiser" by Joseph Haydn that is also used for the "Deutschlandlied", since 1922 the national anthem of Germany.
Document 9: Come Ye Blessed: "Come Ye Blessed" is the territorial song of the Pitcairn Islands. "God Save the Queen" is the territory's official national anthem. "Come Ye Blessed" is also the official territorial song of Norfolk Island and it is sung at most island events.
Document 10: Joseph Haydn: (Franz) Joseph Haydn ( ; ] ; 31 March 173231 May 1809) was an Austrian composer of the Classical period. He was instrumental in the development of chamber music such as the piano trio and his contributions to musical form have earned him the epithets "Father of the Symphony" and "Father of the String Quartet".
Document 11: Deutschlandlied: The "Deutschlandlied " (English: "Song of Germany", ] ; also known as "Das Lied der Deutschen " or "The Song of the Germans"), or part of it, has been the national anthem of Germany since 1922, except in East Germany, whose anthem was "Auferstanden aus Ruinen" ("Risen from Ruins") from 1949 to 1990.
Document 12: Ich hab' mich ergeben: Ich hab′ mich ergeben, originally titled "Gelübde" ("Vow"), is a patriotic German song. The text was written in 1820 by Hans Ferdinand Maßmann. It was one of the unofficial national anthems of West Germany between 1949 and 1952 when the Deutschlandlied was officially reinstalled.
Document 13: London symphonies: The London symphonies, sometimes called the Salomon symphonies after Johann Peter Salomon who introduced London to Joseph Haydn, were composed by Joseph Haydn between 1791 and 1795. They can be categorized into two groups: Symphonies Nos. 93–98, which were composed during Haydn's first visit to London, and Symphonies Nos. 99–104, composed in Vienna and London for Haydn's second visit.
Document 14: Ludwig van Beethoven: Ludwig van Beethoven ( , ; ] ; baptised 17 December 177026 March 1827) was a German composer and pianist. A crucial figure in the transition between the Classical and Romantic eras in Western art music, he remains one of the most famous and influential of all composers. His best-known compositions include 9 symphonies, 5 piano concertos, 1 violin concerto, 32 piano sonatas, 16 string quartets, his great Mass the "Missa solemnis", and one opera, "Fidelio".
Document 15: Autobiographical sketch (Haydn): Joseph Haydn's Autobiographical sketch (1776) is the only autobiographical document ever prepared by this composer. Haydn wrote the sketch, which is about two pages long, at the request (relayed to him by a chain of two mutual acquaintances) of Ignaz de Luca, who was preparing a volume of brief biographies of Austrian luminaries entitled "Das gelehrte Oesterreich" ("Learned Austria"). The sketch was published in 1778, in Volume 1, Part 3 of this work. At the time of writing Haydn was 44 years old.
ground_truth: Ottokar Kernstock