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
Concerto for solo piano and considered the first example of a concerto fitted to solo keyboard. Schumann's Piano Sonata No. 3 in F minor (1835), Op. 14, was labelled by Tobias Haslinger as a "Concerto without orchestra". The French composer Charles-Valentin Alkan wrote in 1857 his set of Op. 39 études, of which nos. 8–10 were labelled as a concerto for solo piano. It includes markings such as "Tutti", "Solo" and "Piano", as well as instrumental directions such as "quasi-trombe" and "quasi-celli". The Spanish composer Joaquín Turina wrote in 1935 his "Concerto Without Orchestra" (Spanish: Concierto sin orquesta), Op. 88. The Russian composer and