What major composer of Violin concertos is considered one of the most important composers of the 20th century?
Violin concerto:  Many major composers have contributed to the violin concerto repertoire, with the best known works including those by Bach, Bartók, Walton, Beethoven, Brahms, Bruch, Mendelssohn, Mozart, Paganini, Prokofiev, Shostakovich, Sibelius, Tchaikovsky, and Vivaldi. Béla Bartók: Béla Viktor János Bartók ( ; ] ; 25 March 1881 – 26 September 1945) was a Hungarian composer, pianist and an ethnomusicologist.
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