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:  He is considered one of the most important composers of the 20th century; he and Liszt are regarded as Hungary's greatest composers .
i don't know