Question: Bernhard Stavenhagen and Franz Liszt, share which occupations?

full_context: Document 1: 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 2: Life of Franz Liszt: Franz Liszt (October 22, 1811July 31, 1886) was a prolific 19th-century Hungarian composer, virtuoso pianist, conductor, music teacher, arranger, organist, philanthropist, author, nationalist and a Franciscan tertiary. Liszt is widely considered to be the greatest pianist of all time.
Document 3: Walter Bache: Walter Bache ( ; 19 June 184226 March 1888) was an English pianist and conductor noted for his championing the music of Franz Liszt and other music of the New German School in England. He studied privately with Liszt in Italy from 1863 to 1865, one of the few students allowed to do so, and continued to attend Liszt's master classes in Weimar, Germany regularly until 1885, even after embarking on a solo career. This period of study was unparalleled by any other student of Liszt and led to a particularly close bond between Bache and Liszt. After initial hesitation on the part of English music critics because he was a Liszt pupil, Bache was publicly embraced for his keyboard prowess, even as parts of his repertoire were questioned.
Document 4: Béla Bartók: Béla Viktor János Bartók ( ; ] ; 25 March 1881 – 26 September 1945) was a Hungarian composer, pianist and an ethnomusicologist. He is considered one of the most important composers of the 20th century; he and Liszt are regarded as Hungary's greatest composers . Through his collection and analytical study of folk music, he was one of the founders of comparative musicology, which later became ethnomusicology.
Document 5: Burkhard Stangl: Burkhard Stangl (born 6 November 1960 in Eggenburg, Lower Austria) is a composer and musician, currently residing in Vienna, Austria. Playing primarily guitar and electronics, he is a prolific performer in the world of electro-acoustic improvisation, having participated in over 50 recordings. One of his most noted recordings is "schnee", a duet with Cristof Kurzmann, inspired by four films and a quote from writer Robert Walser. It has been recorded live, as "schnee_live", and has spawned a similarly themed "meta-song suite," "neuschnee". His 1997 opera "Der Venusmond" was recorded partially on the observation deck of the Empire State Building.
Document 6: Dreams of Love – Liszt: Dreams of Love – Liszt (Hungarian: "Szerelmi álmok – Liszt" , also known in English as "The Loves of Liszt") is a Hungarian-Soviet epic musical/drama produced and directed by Márton Keleti, based on the biography of the Hungarian composer and pianist Franz Liszt.
Document 7: Hochschule für Musik Franz Liszt, Weimar: The University of Music FRANZ LISZT Weimar (in German: Hochschule für Musik Franz Liszt Weimar) is an institution of music in Weimar, Germany.
Document 8: Feuille d'album, S.165 (Liszt): Feuille d'Album (S.165) is a solo piano piece by Hungarian composer and virtuoso pianist Franz Liszt, composed in 1841 and published in 1844.
Document 9: Frank Bungarten: Frank Bungarten is a classical guitarist from Germany. Born in Cologne in 1958, Bungarten had his early influence of Guitar music when he was a teenager. In 1981, he got noticed in the international guitar scene, when virtuoso guitarist Andrés Segovia honored him with the first prize at the Guitar Competition of Granada, combined with an extensive concert tour of Spain. To date, he has performed in more than 40 countries. Among his recordings, “J.S.Bach ~ Sonatas and Partitas for Violin solo”, got serious recognition. Although he is often regarded as a Bach expert on the Concert Guitar, Bungarten claims to love and play a wide & diverse repertoire.
Document 10: Emil Steinbach (conductor): Emil Steinbach (November 15, 1849 – December 6, 1919) was a German conductor and composer. He was particularly known for his interpretations of the works of Richard Wagner. He notably conducted the first public performance of Wagner's "Siegfried Idyll" in 1877.
Document 11: Leonard Bernstein: Leonard Bernstein ( ; August 25, 1918 – October 14, 1990) was an American composer, conductor, author, music lecturer, and pianist. He was among the first conductors born and educated in the US to receive worldwide acclaim. According to music critic Donal Henahan, he was "one of the most prodigiously talented and successful musicians in American history."
Document 12: Franz Liszt: Franz Liszt (] ; Hungarian: "Liszt Ferencz" , in modern usage "Liszt Ferenc", ] ; October 22, 1811July 31, 1886) was a prolific 19th-century Hungarian composer, virtuoso pianist, conductor, music teacher, arranger, organist, philanthropist, author, nationalist and a Franciscan tertiary.
Document 13: Bernhard Stavenhagen: Bernhard Stavenhagen (24 November 1862 – 25 December 1914) was a German pianist, composer and conductor. His musical style was influenced by Franz Liszt, and as a conductor he was a strong advocate of new music.
Document 14: Franz Liszt Academy of Music: The Liszt Ferenc Academy of Music (Hungarian: "Liszt Ferenc Zeneművészeti Egyetem" , often abbreviated as "Zeneakadémia", "Music Academy") is a concert hall and music conservatory in Budapest, Hungary, founded on November 14, 1875. It is home to the Liszt Collection, which features several valuable books and manuscripts donated by Franz Liszt upon his death, and the AVISO studio, a collaboration between the governments of Hungary and Japan to provide sound recording equipment and training for students. The Liszt Ferenc Academy of Music was founded by Franz Liszt himself (though named after its founder only in 1925, approx. 50 years after it was relocated to its current location at the heart of Budapest). Between 1877-1879 the Academy moved into its present building, a masterpiece of art Neo-Renaissance architecture.
Document 15: Hans von Bülow: Baron Hans Guido von Bülow (January 8, 1830February 12, 1894) was a German conductor, virtuoso pianist, and composer of the Romantic era. One of the most famous conductors of the 19th century, his activity was critical for establishing the successes of several major composers of the time, especially Richard Wagner and Johannes Brahms. Alongside Carl Tausig, Bülow was perhaps the most prominent of the early students of Hungarian virtuoso pianist, conductor and composer Franz Liszt – therein performed the first public performance of Liszt's Sonata in B minor in 1857. He became acquainted with, fell in love and eventually married Liszt's daughter Cosima, who later left him for Wagner. Noted for his interpretation of the works of Ludwig van Beethoven, he was one of the earliest European musicians to tour the United States.
ground_truth: composer and conductor