In which year was this Czech composer, musical theorist, folklorist, publicist and teacher born who composed "Concertino?"
Leoš Janáček Leoš Janáček (] , baptised Leo Eugen Janáček; 3 July 1854 – 12 August 1928) was a Czech composer, musical theorist, folklorist, publicist and teacher. He was inspired by Moravian and other Slavic folk music to create an original, modern musical style.
Julián Carrillo Julián Carrillo Trujillo (January 28, 1875 – September 9, 1965) was a Mexican composer, conductor, violinist and music theorist, famous for developing a theory of microtonal music which he dubbed "The Thirteenth Sound" (Sonido 13).