Leoš (ˈlɛɔʃ). 1854–1928, Czech composer. His music is influenced by Czech folksong and speech rhythms and is remarkable for its integration of melody and language. His works include the operas Jenufa (1904) and The Cunning Little Vixen (1924), the Glagolitic Mass (1927), as well as orchestral and chamber music and songs