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.
Joseph Marx Joseph Rupert Rudolf Marx (May 11, 1882 - September 3, 1964) was an Austrian composer, teacher and critic.