Hungarian folk music due to the Hungarian composer Franz Liszt, who in 1846 began composing 19 Hungarian Rhapsodies for piano, five of which were later orchestrated, thus being the first pieces of music by a major composer to incorporate sources from so-called “peasant music”. These works, which broke free from classical tradition, were often viewed by the elite as brash and unrefined, yet they deeply influenced others, like Johannes Brahms, and later Zoltán Kodály and Béla Bartók, even having an influence on American jazz. During the 20th century, Hungarian composers were influenced by the traditional music of their nation which may be considered
Piano Quartet No. 1 (Brahms) at the instigation of conductor Otto Klemperer and premiered by the Los Angeles Philharmonic Orchestra conducted by Klemperer; this orchestrated version was made into the ballet "Brahms–Schoenberg Quartet" by George Balanchine. The Hungarian-born composer Ernst von Dohnányi transcribed the fourth movement as a bravura showpiece for solo piano. There is a recording of Dohnányi playing the transcription on the Ampico B recording piano. This recording was released on a Newport Classic CD called "The Performing Piano II" (NC 60030) however, the piece is incorrectly attributed as being one of the Hungarian Dances. Piano Quartet No. 1 (Brahms) The Piano Quartet